- IWGP World Heavyweight Championship Will Ospreay defeats Kota Ibushi (c) to win the title
- IWGP Junior Heavyweight Tag Team Championship Roppongi 3K (SHO & YOH) defeat Suzuki-gun (El Desperado & Yoshinobu Kanemaru) (c) to win the titles
WRESTLEFILE EVENT FILE
Sakura Genesis 2021: WrestleFile Historical Verdict
The factual record, historical context, match-by-match analysis, and WrestleFile verdict.
NJPWApril 4, 2021Ryōgoku Kokugikan
THE WRESTLEGRADEB7.8 / 10FINAL EVENT SCOREMASTER FILE RANK#712OF 1288
- PROMOTION
- New Japan Pro-Wrestling
- DATE
- April 4, 2021
- VENUE
- Ryōgoku Kokugikan
- LOCATION
- Tokyo, Japan
- ATTENDANCE
- 4,484
- EVENT TYPE
- PPV
Sakura Genesis 2021 has a clearly defined finish: two championship changes in consecutive matches at Ryōgoku Kokugikan on April 4. Roppongi 3K took the IWGP Junior Heavyweight Tag Team Championship from Suzuki-gun, then Will Ospreay beat Kota Ibushi for the IWGP World Heavyweight Championship. Those separate results give the six-match event more consequence than its early faction contests suggest. WrestleFile's overall B is driven by that closing pair, with the Ospreay-Ibushi main event earning B+ / 8.4 and SHO-YOH against El Desperado and Yoshinobu Kanemaru earning B / 7.8.
Read the Full FileContinue the event-level analysis
The earlier four matches function differently. Zack Sabre Jr., Taichi and DOUKI defeated the Bullet Club trio of Tama Tonga, Tanga Loa and Jado. CHAOS then won an expanded ten-person contest against another Bullet Club lineup involving KENTA and EVIL. United Empire's Jeff Cobb, Great-O-Khan and Aaron Henare defeated Tetsuya Naito, SANADA and Shingo Takagi of Los Ingobernables de Japón. Hiroshi Tanahashi and Satoshi Kojima closed the non-title portion by beating Jay White and Bad Luck Fale. These matches identify factions and challengers active on the card, but no championships changed in the opening team results.
That distinction prevents an easy historical mix-up. United Empire had already won the third match without Ospreay in the lineup. Ospreay's own championship opportunity came only in the sixth match against Ibushi. Similarly, Suzuki-gun won the opener with Sabre, Taichi and DOUKI, but a different Suzuki-gun pairing lost the junior tag titles to SHO and YOH near the end. A group winning one team encounter did not mean every member successfully defended a belt that night. Recording the exact teams and their different results is essential to an accurate historical event file.
The heavyweight prize needs its proper name. Ospreay's victory transferred the IWGP World Heavyweight Championship, not the older separate IWGP Heavyweight or Intercontinental title as listed on some earlier New Japan major cards. Ibushi entered as the defending world champion and left without that championship. WrestleFile's B+ for the thirty-minute main event recognizes the stakes and its place on the program; the grade is an editorial assessment, while the identity of the champion and the change of titleholder come from the historical results. This is a championship win, not another Ibushi retention.
For selective viewing, start with Ospreay-Ibushi, then add the SHO-YOH title change for the complete championship story. Tanahashi and Kojima against Jay White and Bad Luck Fale offers one shorter named-team result, while the opening three faction encounters are useful primarily for reconstructing the card. The documented audience of 4,484 and April 4 venue establish the setting, but the saved sources do not show crowd reactions or backstage motives for each match. A B overall reflects a concentrated major-event finish rather than a claim that all six contests have equal replay value.
Event ContextBackground, stakes & historical setting
Sakura Genesis 2021 occurred April 4 at Ryōgoku Kokugikan, with 4,484 reported attendees. Will Ospreay defeated defending champion Kota Ibushi to win the IWGP World Heavyweight Championship in the final match. That championship was the title named in this bout; the result shouldn't be assigned to a different legacy belt simply because previous April major shows used an earlier championship name.
Roppongi 3K, SHO and YOH, defeated El Desperado and Yoshinobu Kanemaru of Suzuki-gun to win the IWGP Junior Heavyweight Tag Team Championship. The card also included Hiroshi Tanahashi and Satoshi Kojima defeating Jay White and Bad Luck Fale, a United Empire trio defeating Naito, SANADA and Shingo Takagi, and a CHAOS five-person team victory over Bullet Club.
Suzuki-gun's Zack Sabre Jr., Taichi and Douki defeated Bullet Club's Tama Tonga, Tanga Loa and Jado in the opening contest. These supporting team results should be attached to the April 2021 date rather than used to manufacture additional title changes. The historically important distinction is Ospreay becoming IWGP World Heavyweight Champion alongside Roppongi 3K taking the junior tag belts.
VIEWING GUIDE
Watch, Skim or Skip?
- Hiroshi Tanahashi & Satoshi Kojima defeat Bullet Club (Jay White & Bad Luck Fale)
- Suzuki-gun (Zack Sabre Jr., Taichi & Douki) defeat Bullet Club (Tama Tonga, Tanga Loa & Jado)
- CHAOS (Kazuchika Okada, YOSHI-HASHI, Tomohiro Ishii, Hirooki Goto & Toru Yano) defeat Bullet Club (KENTA, Yujiro Takahashi, Taiji Ishimori, EVIL & Dick Togo)
- United Empire (Jeff Cobb, Great-O-Khan & Aaron Henare) defeat Los Ingobernables de Japón (Tetsuya Naito, SANADA & Shingo Takagi)
MATCH-BY-MATCH ANALYSIS
The Card, On the Record
01Suzuki-gun (Zack Sabre Jr., Taichi & Douki) defeat Bullet Club (Tama Tonga, Tanga Loa & Jado)C+
WRESTLER FILES
Suzuki-gun's Zack Sabre Jr., Taichi and DOUKI defeated Bullet Club's Tama Tonga, Tanga Loa and Jado in 10:10 in the first contest of Sakura Genesis on April 4, 2021. WrestleFile graded the Ryōgoku six-man faction result C+ / 6.5. Suzuki-gun fielded the winning side, not Tama Tonga's Bullet Club unit. This was separate from the junior heavyweight tag championship won later by Roppongi 3K over another Suzuki-gun pairing, El Desperado and Kanemaru. It was also not the IWGP World Heavyweight title match in which Will Ospreay defeated incumbent Kota Ibushi to finish the night.
VERDICT
Useful historical material that works best as part of the full card.
02CHAOS (Kazuchika Okada, YOSHI-HASHI, Tomohiro Ishii, Hirooki Goto & Toru Yano) defeat Bullet Club (KENTA, Yujiro Takahashi, Taiji Ishimori, EVIL & Dick Togo)C+
WRESTLER FILES
CHAOS representatives Kazuchika Okada, YOSHI-HASHI, Tomohiro Ishii, Hirooki Goto and Toru Yano defeated the five-person Bullet Club group KENTA, Yujiro Takahashi, Taiji Ishimori, EVIL and Dick Togo in 11:37. WrestleFile gave this second Sakura Genesis 2021 match C+ / 6.5. The winner was CHAOS and the loser Bullet Club, not the similarly branded faction group appearing in the opener. This was an ordinary ten-person team result without a championship transfer. The two separate championship switches on the April 4 Ryōgoku card occurred later in the junior tag contest and the Ospreay-Ibushi world-title finale.
VERDICT
Useful historical material that works best as part of the full card.
03United Empire (Jeff Cobb, Great-O-Khan & Aaron Henare) defeat Los Ingobernables de Japón (Tetsuya Naito, SANADA & Shingo Takagi)C+
WRESTLER FILES
United Empire's Jeff Cobb, Great-O-Khan and Aaron Henare defeated Los Ingobernables de Japón members Tetsuya Naito, SANADA and Shingo Takagi in 9:51 in match three of Sakura Genesis 2021. WrestleFile graded the three-versus-three meeting C+ / 6.5. The winning United Empire lineup did not include Will Ospreay, who wrestled Kota Ibushi separately in the final match and became IWGP World Heavyweight Champion. The result identifies the separate faction pairing and correct winners without claiming that the six-man contest itself transferred the world championship or the junior tag titles awarded later to Roppongi 3K.
VERDICT
Useful historical material that works best as part of the full card.
04Hiroshi Tanahashi & Satoshi Kojima defeat Bullet Club (Jay White & Bad Luck Fale)C+
WRESTLER FILES
Hiroshi Tanahashi and Satoshi Kojima defeated Bullet Club's Jay White and Bad Luck Fale in 10:05 in the fourth Sakura Genesis 2021 contest. WrestleFile gave the featured tag C+ / 6.8, the highest grade of the non-title opening half. Tanahashi partnered Kojima rather than meeting Jay White in singles competition, and Fale was White's losing partner. The bout did not award the IWGP World Heavyweight Championship; that switch happened in Ospreay's final match with Ibushi. Roppongi 3K's intervening victory over Desperado and Kanemaru decided a separate junior heavyweight tag title.
VERDICT
Useful historical material that works best as part of the full card.
05IWGP Junior Heavyweight Tag Team Championship Roppongi 3K (SHO & YOH) defeat Suzuki-gun (El Desperado & Yoshinobu Kanemaru) (c) to win the titlesB
WRESTLER FILES
Roppongi 3K, SHO and YOH, defeated reigning IWGP Junior Heavyweight Tag Team Champions El Desperado and Yoshinobu Kanemaru of Suzuki-gun in 20:48 to WIN those titles at Sakura Genesis. WrestleFile graded the penultimate April 4, 2021 Ryōgoku match B / 7.8. SHO and YOH were the challengers crowned new junior team champions, not defending incumbents. This result stands apart from the previous Suzuki-gun multi-man win in the opener and from the IWGP World Heavyweight switch later that night, when Ospreay defeated Ibushi for New Japan's top singles championship.
VERDICT
A solid match worth a full viewing if the participants interest you.
06IWGP World Heavyweight Championship Will Ospreay defeats Kota Ibushi (c) to win the titleB+
WRESTLER FILES
Will Ospreay defeated defending champion Kota Ibushi in 30:13 to WIN the IWGP World Heavyweight Championship in the Sakura Genesis 2021 main event. WrestleFile graded this sixth and final Ryōgoku match B+ / 8.4, highest on the card. Ibushi entered with the newly named IWGP World Heavyweight belt, while Ospreay departed as the new titleholder. This was not a defense of a prior separate heavyweight or intercontinental crown. The day's other title change belonged to SHO and YOH taking the IWGP junior heavyweight tag championship from El Desperado and Yoshinobu Kanemaru before the finale.
VERDICT
A major part of the card worth watching in full.
BOOKING VERDICTB
Ospreay's title win against Ibushi received B+ and 8.4, the strongest reviewed match. Roppongi 3K's junior tag title victory earned B and 7.8. Both championship bouts outscored the earlier factional matches, which were marked C+ around 6.5 to 6.8.
The shorter, six-match card therefore had a different balance from some longer prior Sakura Genesis editions. The B overall review assessment draws its main justification from the two closing title changes, rather than claiming all supporting multi-man bouts were equally compelling. A selective viewer should start with Ospreay-Ibushi for the top-title result and follow with Roppongi 3K-Suzuki-gun to see the secondary championship switch.
CROWD & PRESENTATIONB
The April 2021 show was recorded at Ryōgoku Kokugikan before 4,484 spectators. The first part of the card included Suzuki-gun beating a Bullet Club trio, CHAOS winning a five-on-five factional match and United Empire defeating an LIJ group. Tanahashi and Satoshi Kojima then defeated Jay White and Bad Luck Fale in a featured team contest.
Two championship matches closed the show: Roppongi 3K defeated Desperado and Kanemaru for the junior tag belts, and Ospreay beat Ibushi for the IWGP World Heavyweight Championship. Those matches gave the six-bout card a concise, title-focused finish after several faction matches. The results identify the presentation order but don't establish undocumented comments from the crowd or wrestlers backstage.
HISTORICAL SIGNIFICANCEB+
Sakura Genesis 2021 changed the IWGP World Heavyweight Championship when Will Ospreay defeated Kota Ibushi at Ryōgoku Kokugikan. The April 4 main event was graded B+ and 8.4. This was a change of holder of the IWGP World title, a distinction that shouldn't be confused with the earlier IWGP Heavyweight and Intercontinental pair of belts Naito held through 2020.
The other title switch at the show came when Roppongi 3K, SHO and YOH, defeated Suzuki-gun's El Desperado and Yoshinobu Kanemaru for the IWGP Junior Heavyweight Tag Team Championship. United Empire defeated a Los Ingobernables de Japón trio that included Tetsuya Naito and Shingo Takagi, giving the card factional consequences beyond its two new champions. Ospreay's victory, however, was the clearest change in the promotion's top singles championship picture.
WHAT AGED WELL
- Roppongi 3K won the junior tag titles immediately before Ospreay defeated Ibushi for the IWGP World Heavyweight Championship, identifying two distinct late-card title changes.
- Ospreay defeating Ibushi for the world title scored B+ / 8.4, immediately after Roppongi 3K's B / 7.8 junior tag championship win over Suzuki-gun.
- Cobb, Great-O-Khan and Henare defeated Naito, SANADA and Takagi in a United Empire-Los Ingobernables faction match before the two late championship transfers.
WHAT AGED POORLY
- The ten-man CHAOS-Bullet Club confrontation earned 6.5, and the United Empire-Los Ingobernables trio pairing carried faction context without a championship. Neither explains the two genuine title transfers as directly as Roppongi 3K's junior-tag win and Ospreay defeating Ibushi.
- The card can feel uneven when short functional bouts sit beside much longer headline programs.
- Older event branding is less self-explanatory than the recurring names New Japan would use later.
RESEARCH VERDICTWhere the Evidence Lands
The Sakura Genesis results identify the April 2021 Ryōgoku program, Ospreay's win over Ibushi and Roppongi 3K's victory over the junior tag champions. They separately list several factional contests and their winners. These outcomes give the event a clear date-and-title identity within the NJPW major-event corpus.
WrestleFile's B overall mark, B+ rating for Ospreay-Ibushi and B for the junior tag title change are existing critic evaluations. The named championship and recorded result—not any editorial rating—determine which title changed. Preserving that difference prevents the new world title's history from being conflated with the two-belt 2020 era.
RESEARCH SOURCESSources & Methodology5 sources
These sources support the event record, historical context, critical reception, and streaming information used throughout this Event File.
- The SmackDown Hotelstructured event identity, PPV type, network and ordered results
- PUROLOVEindependent historical event/date block, card and durations
- WWF Old Schoolindependent annual New Japan historical cross-check
- Wikipedia major NJPW eventsbroad chronology and event-identity cross-check
- Ring History NJPW chronologypromotion chronology cross-check
WHERE TO WATCHStream This Event
Stream This Event
No confirmed full-event stream
No current territory-safe direct viewing provider is asserted at this stage; availability should be rechecked immediately before publication.
WrestleFile lists only streaming options we have specifically confirmed. Availability varies by country and can change.