IBO computerised ratings
IBO minimumweight rankings
The IBO’s current minimumweight ratings in full. Where the other four bodies publish fifteen names, the IBO publishes 100, produced by computer rather than by a ratings committee. The IBO minimumweight champion is Nhlanhla Tyirha. DianXing Zhu is rated first among the contenders at 17-1. This month 44 fighters moved up the table and 2 entered it for the first time.
IBO championNhlanhla Tyirha
| # | Movement since last month | Fighter | Nationality | Age | Record | KOs | Titles held |
|---|---|---|---|---|---|---|---|
| 1 | Unchanged | DianXing Zhu | China | 29 | 17-1 | 14 | WBC ABC Silver |
| 2 | Unchanged | Ryusei Matsumoto | Japan | 28 | 8-0 | 4 | WBA World |
| 3 | Up 1 place | Melvin Jerusalem | Philippines | 32 | 25-4 | 12 | WBC World |
| 4 | Down 1 place | Jose Luis Russell Regalado | Mexico | 24 | 19-1 | 13 | WBC Youth Silver |
| 5 | Unchanged | Joseph Sumabong | Philippines | 24 | 11-1 | 5 | WBO Asia Pacific |
| 6 | Unchanged | Russell Acosta Silveira | Mexico | 26 | 17-0 | 6 | |
| 7 | Unchanged | Takeshi Ishii | Japan | 26 | 11-1 | 8 | |
| 8 | Up 1 place | Issa Sakata | Japan | 22 | 5-1-1 | 3 | |
| 9 | Up 4 places | Takero Kitano | Japan | 22 | 10-1-1 | 4 | |
| 10 | Up 2 places | Joey Canoy | Philippines | 33 | 25-5-2 | 15 | WBC International |
| 11 | Down 1 place | Juki Okazaki | Japan | 24 | 3-0 | 2 | |
| 12 | Up 2 places | Edmond Khudoyan | Russia | 30 | 2-0 | 1 | WBA Asia |
| 13 | Up 2 places | Zyvyr John Medecilo | Philippines | 21 | 9-0 | 5 | WBC International |
| 14 | Up 10 places | Vic Saludar | Philippines | 35 | 27-6 | 17 | WBO Oriental |
| 15 | Up 4 places | Thinumzi Gqola | South Africa | 7-2 | 1 | ||
| 16 | Up 1 place | Ian Abne | Philippines | 26 | 12-1-2 | 4 | WBA Asia |
| 17 | Up 1 place | Angelo Hapin | Philippines | 5-0-1 | 5 | ||
| 18 | Up 9 places | Christian Balunan | Philippines | 24 | 14-1 | 9 | WBO Asia Pacific Youth |
| 19 | Up 1 place | Wilfredo Mendez | Puerto Rico | 29 | 20-3-2 | 6 | WBO Latino |
| 20 | Up 1 place | Yoshi Sugiura | Japan | 23 | 9-1-1 | 3 | |
| 21 | Up 1 place | Gustavo Perez Alvarez | Mexico | 28 | 16-2 | 5 | |
| 22 | Up 1 place | Mthokozisi Ngxaka | South Africa | 26 | 9-4-1 | 5 | |
| 23 | Up 2 places | Rento Miyazawa | Japan | 23 | 8-3-2 | 3 | |
| 24 | Down 8 places | Jheng Ciou | Taiwan | 22 | 9-1-1 | 8 | |
| 25 | Down 1 place | Samuel Salva | Philippines | 29 | 22-3 | 15 | |
| 26 | Unchanged | Yuki Kyoya | Japan | 29 | 6-1-1 | 4 | |
| 27 | Up 3 places | Norito Tamaki | Japan | 28 | 4-3 | 2 | |
| 28 | Unchanged | Andre Manuel Rodriguez Rayon | Mexico | 24 | 6-3-2 | 3 | |
| 29 | Unchanged | Mario Salvador Gutierrez Gomez | Mexico | 36 | 12-6-2 | 7 | |
| 30 | Up 1 place | Yuni Takada | Japan | 28 | 16-10-3 | 6 | WBO Asia Pacific |
| 31 | Up 1 place | Geremys Batista | Venezuela | 23 | 13-0 | 10 | |
| 32 | Up 1 place | Siphesihle Sityo | South Africa | 9-2-1 | 5 | ||
| 33 | Up 1 place | Katsuki Mori | Japan | 26 | 14-4-1 | 3 | |
| 34 | Up 1 place | Retsu Terashita | Japan | 22 | 9-2 | 1 | |
| 35 | Up 1 place | Brandon Moreno | Spain | 33 | 16-0 | 5 | WBC Latino |
| 36 | Up 1 place | Kurt John Pabular | Philippines | 21 | 8-2 | 5 | |
| 37 | Up 3 places | Nqaba Dantile | South Africa | 5-0 | 2 | ||
| 38 | Up 29 places | Siyamthanda Wophela | South Africa | 30 | 6-0-1 | 3 | |
| 39 | Up 3 places | Mpendulo Msimanga | South Africa | 6-0 | 3 | ||
| 40 | Down 1 place | Tayvien Alpough | United States | 23 | 5-0 | 4 | WBA-NABA USA |
| 41 | Down 3 places | Shun Hayasaka | Japan | 22 | 6-2-2 | 2 | |
| 42 | Up 1 place | Sherwin Dacullo | Philippines | 6-1-1 | 2 | ||
| 43 | Down 2 places | Alezer Trinidad | Philippines | 25 | 4-0-3 | 3 | |
| 44 | Up 1 place | John Kevin Jimenez | Philippines | 22 | 10-5 | 5 | |
| 45 | Up 1 place | Ricson Hanginan | Philippines | 4-0-2 | 2 | ||
| 46 | Down 2 places | Sei Miyagawa | Japan | 21 | 7-3-1 | 3 | |
| 47 | Up 2 places | Gcobani Mdeliswa | South Africa | 3-1-2 | 3 | ||
| 48 | Unchanged | Moises Caro Gutierrez | Mexico | 28 | 12-4-4 | 5 | |
| 49 | Down 2 places | Chih-Yuan Yeh | Taiwan | 24 | 6-1 | 4 | |
| 50 | Unchanged | Kevin Lopez Munguia | Mexico | 18 | 12-1 | 9 | |
| 51 | Up 1 place | Juan Coronel | Colombia | 26 | 12-3 | 8 | WBC FECARBOX |
| 52 | Down 1 place | Roberto Carlos Ramirez | Mexico | 20 | 9-1 | 7 | |
| 53 | Up 2 places | Elias Karim Lopez Rojas | Mexico | 22 | 8-2-3 | 2 | WBA Fedelatin |
| 54 | Down 1 place | Erick Ramirez Andrade | Mexico | 24 | 7-1-1 | 4 | |
| 55 | Down 1 place | Carlos Lopez Avalos | Mexico | 24 | 9-1 | 5 | |
| 56 | Up 1 place | Jeplex Quirante | Philippines | 25 | 7-1 | 3 | |
| 57 | New entry this month | Raul Omar Alvarez Cruz | Mexico | 22 | 5-1-1 | 1 | |
| 58 | Down 2 places | Gustavo Romero Garduno | Mexico | 21 | 6-2 | 1 | |
| 59 | Up 10 places | Erik Soto | Mexico | 22 | 10-0 | 8 | |
| 60 | Down 2 places | Masatora Okada | Japan | 32 | 10-6-2 | 4 | |
| 61 | Down 1 place | Abongile Jacobs | South Africa | 5-1 | 1 | ||
| 62 | Down 3 places | Qhamani Mhlana | South Africa | 5-2-2 | 2 | ||
| 63 | Down 2 places | Siphamandla Baleni | South Africa | 36 | 21-9-2 | 8 | |
| 64 | Down 2 places | Jake Amparo | Philippines | 28 | 16-8-1 | 4 | WBO Asia Pacific |
| 65 | Down 2 places | Roberto Bocardo Suarez | Mexico | 20 | 7-1 | 4 | |
| 66 | Down 2 places | Richard Garde | Philippines | 29 | 12-4 | 10 | |
| 67 | Down 2 places | Rafael Nunez Onofre | Mexico | 26 | 9-1 | 5 | |
| 68 | Unchanged | Hossain Ahmed | Bangladesh | 26 | 7-0 | 3 | |
| 69 | Down 3 places | Nhlakanipho Kunene | South Africa | 8-1 | 4 | ||
| 70 | Down 1 place | Reito Asai | Japan | 24 | 5-2 | 2 | |
| 71 | Down 1 place | Allen Zapril Rubio | Philippines | 4-1 | 4 | ||
| 72 | Down 1 place | Atsumu Kobara | Japan | 24 | 3-1 | 1 | |
| 73 | Up 6 places | Erson Trinidad | Philippines | 28 | 10-5-1 | 6 | |
| 74 | Unchanged | Luca Ueda | Japan | 26 | 6-4-1 | 1 | |
| 75 | Down 2 places | Luzuko Jonas | South Africa | 2-0 | 1 | ||
| 76 | Down 1 place | Yonjani Gonzalez | Venezuela | 20 | 7-0 | 6 | |
| 77 | Unchanged | Elvin Yahir Garcia | United States | 20 | 6-0 | 4 | |
| 78 | Unchanged | Jerome Cometa | Philippines | 4-1 | 1 | ||
| 79 | Up 2 places | Mahiro Matsumoto | Japan | 24 | 7-3 | 3 | |
| 80 | Unchanged | Axel Alejandro Aragon Vega | Mexico | 26 | 18-7-1 | 10 | WBC FECOMBOX |
| 81 | Up 1 place | Mario Alberto Cardenas Gloria | Mexico | 30 | 7-3-3 | 5 | |
| 82 | Up 1 place | Ferst Orosio | Philippines | 3-2 | 2 | ||
| 83 | Up 1 place | Siyamkela Gqubule | South Africa | 2-3 | 1 | ||
| 84 | Down 8 places | Arnel Lofranco | Philippines | 22 | 10-2 | 6 | WBA Asia |
| 85 | Down 13 places | Javier Ceja Ramirez | Mexico | 30 | 4-2-1 | 3 | |
| 86 | Unchanged | Jacsy Labandero | Philippines | 3-0 | 3 | ||
| 87 | Down 2 places | Pedro Villegas | Ecuador | 27 | 19-4 | 8 | |
| 88 | Unchanged | Tatsuro Nakashima | Japan | 31 | 12-6-2 | 7 | |
| 89 | Down 2 places | Michael Bantayan | Philippines | 4-0 | 3 | ||
| 90 | Down 1 place | Ryuta Tokoro | Japan | 18 | 2-0 | 2 | |
| 91 | Unchanged | Freshler Utrera | Philippines | 21 | 4-1 | 2 | |
| 92 | Up 1 place | Roland Toyogon | Philippines | 25 | 8-3-1 | 4 | |
| 93 | Down 3 places | Renden Oppas | Philippines | 25 | 5-1 | 4 | |
| 94 | Unchanged | Sivenathi July | South Africa | 4-0 | 2 | ||
| 95 | Up 1 place | Giovanni Martinez Morales | Mexico | 19 | 3-0-2 | 2 | |
| 96 | Up 2 places | Hayato Maruyama | Japan | 31 | 5-2-3 | 1 | |
| 97 | Unchanged | Ricardo Astuvilca | Peru | 37 | 23-5 | 5 | |
| 98 | Up 2 places | Kenji Hayashi | Japan | 19 | 1-0 | 1 | |
| 99 | Unchanged | Jared Mercado | United States | 21 | 5-2 | 5 | |
| 100 | New entry this month | Renda Ohata | Japan | 19 | 3-1 | 1 |
Source: IBO computerised ratings, effective 1 Aug 2026. Movement is the IBO’s own month-on-month figure. Fighters rated inside the top fifteen link to their profile; the rest are listed as published.
See also the minimumweight ratings from every sanctioning body side by side and the full IBO rankings index.