Select tournament type
| 1/16-finals | Hardt N. | Okonkwo O. | 2:0 (6:2, 6:2) | details | 13.05.2026 | ||
| 1/16-finals | McCormick T. | Okonkwo O. | 2:0 (6:2, 6:2) | details | 06.05.2026 | ||
| 1/16-finals | Okonkwo O. | Krall L. | 1:2 (7:5, 64:7, 69:7) | details | 28.04.2026 | ||
| 1/8-finals | Okonkwo O. | Petrovic A. | 1:2 (6:2, 66:7, 3:6) | details | 09.04.2026 | ||
| 1/16-finals | Robertson C. | Okonkwo O. | 0:2 (4:6, 65:7) | details | 09.04.2026 | ||
| 1/16-finals | Okonkwo O. | Flores J. | 1:2 (64:7, 6:4, 64:7) | details | 11.03.2026 | ||
| Quarter-finals | Okonkwo O. | Kakhniuk D. | 0:2 (1:6, 2:6) | details | 06.03.2026 | ||
| 1/8-finals | Corwin F. | Okonkwo O. | 1:2 (6:4, 62:7, 2:6) | details | 05.03.2026 | ||
| 1/16-finals | Suarez B. | Okonkwo O. | 0:2 (65:7, 1:6) | details | 03.03.2026 | ||
| 1/8-finals | Wendelken H. | Okonkwo O. | 1:0 RET. (6:1, 3:0) | details | 05.02.2026 | ||
| 1/16-finals | Leather J. | Okonkwo O. | 0:2 (64:7, 5:7) | details | 04.02.2026 | ||
| 1/8-finals | Smith K. | Okonkwo O. | 2:0 (6:3, 6:4) | details | 20.11.2025 | ||
| 1/16-finals | Okonkwo O. | Alkotop Moh. | 2:0 (6:2, 6:4) | details | 19.11.2025 | ||
| 1/16-finals | Okonkwo O. | Ganesan A. | 0:2 (3:6, 5:7) | details | 11.11.2025 | ||
| 1/16-finals | Okonkwo O. | Wallart E. | 1:2 (7:63, 5:7, 4:6) | details | 05.11.2025 | ||
| Final | Okonkwo O. | Perot R. | 0:2 (2:6, 1:6) | details | 28.09.2025 | ||
| Final | Kuzuhara B./Mesarovic M. | Melnic V./Okonkwo O. | 2:1 (7:64, 1:6, 10:4) | details | 16.05.2026 | ||
| Semi-finals | Duran D./Rondon Gomez S. A. | Melnic V./Okonkwo O. | 0:2 (62:7, 4:6) | details | 15.05.2026 | ||
| Quarter-finals | Melnic V./Okonkwo O. | Langmo C./Puttergill C. | 2:0 (7:63, 6:4) | details | 14.05.2026 | ||
| 1/8-finals | Bynoe E./Shearer M. | Melnic V./Okonkwo O. | 1:2 (5:7, 6:2, 8:10) | details | 14.05.2026 | ||
| Final | Heck H./Okonkwo O. | Brown P./Jarry Fillol D. | 2:0 (6:2, 6:2) | details | 09.05.2026 | ||
| Semi-finals | Heck H./Okonkwo O. | Jarvis R./Kotan P. | 2:0 (6:3, 6:4) | details | 08.05.2026 | ||
| Quarter-finals | Heck H./Okonkwo O. | Erhardt G./Orihuela A. | 2:0 (6:2, 6:2) | details | 07.05.2026 | ||
| 1/8-finals | Heck H./Okonkwo O. | Michibata M./Rao A. | 2:0 (6:1, 6:1) | details | 05.05.2026 | ||
| Final | Heck H./Okonkwo O. | Bobo D./Koch B. | 2:0 (7:5, 6:3) | details | 02.05.2026 | ||
| Semi-finals | Chopra K./Petrovic A. | Heck H./Okonkwo O. | 1:2 (61:7, 6:2, 7:10) | details | 01.05.2026 | ||
| Quarter-finals | Heck H./Okonkwo O. | Benson M./Connel J. | 2:0 (6:4, 6:4) | details | 30.04.2026 | ||
| 1/8-finals | Heck H./Okonkwo O. | Moreno J./Mridha J. | 2:0 (6:1, 6:3) | details | 29.04.2026 | ||
| Semi-finals | Baker B./Okonkwo O. | Kotzen A./Petrovic A. | 1:2 (3:6, 6:4, 5:10) | details | 12.04.2026 | ||
| Quarter-finals | Maldonado M./Stoot D. N. | Baker B./Okonkwo O. | 1:2 (6:4, 1:6, 1:10) | details | 11.04.2026 | ||
| 1/8-finals | Cossu M./Torres Fernandez B. I. | Baker B./Okonkwo O. | WO. | details | 10.04.2026 | ||
| Final | Okonkwo O./Suarez B. | Milavsky D./Vance J. | 2:0 (6:4, 6:3) | details | 28.03.2026 | ||
| Semi-finals | Barry C./Zink T. | Okonkwo O./Suarez B. | WO. | details | 27.03.2026 | ||
| Quarter-finals | Okonkwo O./Suarez B. | Johnson A./Konduri T. | 2:0 (7:62, 6:2) | details | 27.03.2026 | ||
| 1/8-finals | Okonkwo O./Suarez B. | Jones A./Ponwith N. | 0:0 RET. (5:1) | details | 25.03.2026 | ||
| Quarter-finals | Jarvis R./Vance J. | Barrett H./Okonkwo O. | 2:0 (7:65, 6:4) | details | 12.03.2026 | ||
| 1/8-finals | Barrett H./Okonkwo O. | Muamba N./Pieleanu R. T. | 2:1 (6:3, 3:6, 12:10) | details | 11.03.2026 | ||
| Final | Okonkwo O./Young G. | Falck R./Muamba N. | 2:0 (6:3, 7:5) | details | 07.03.2026 | ||
| Semi-finals | Okonkwo O./Young G. | De Jonge D./Hendrikx J. | 2:0 (6:4, 6:2) | details | 06.03.2026 | ||
| Quarter-finals | Flores J./Suarez B. | Okonkwo O./Young G. | WO. | details | 05.03.2026 | ||
| 1/8-finals | Farag-Cao A./Peck J. | Okonkwo O./Young G. | 0:2 (1:6, 4:6) | details | 05.03.2026 | ||
| Semi-finals | Melnic V./Okonkwo O. | Maxted L./Murgett F. | 1:2 (5:7, 7:63, 2:10) | details | 06.02.2026 | ||
| Quarter-finals | Nolan W./Walters M. | Melnic V./Okonkwo O. | 1:2 (7:63, 4:6, 3:10) | details | 05.02.2026 | ||
| 1/8-finals | Melnic V./Okonkwo O. | Coccioli A./Lorusso L. | 2:0 (7:65, 6:4) | details | 03.02.2026 | ||
| Quarter-finals | Jermar J./Recek D. | Okonkwo O./Ozolins K. | 2:0 (6:2, 7:64) | details | 28.01.2026 | ||
| 1/8-finals | Melnic V./Romano F. | Okonkwo O./Ozolins K. | 0:2 (67:7, 3:6) | details | 27.01.2026 | ||
| 1/8-finals | Kennedy J./Willwerth B. | Montsi S./Okonkwo O. | 2:1 (63:7, 7:65, 10:7) | details | 19.11.2025 | ||
| Quarter-finals | Duncan S./MacKinlay J. | Miyoshi K./Okonkwo O. | 2:1 (6:1, 3:6, 11:9) | details | 14.11.2025 | ||
| 1/8-finals | Miyoshi K./Okonkwo O. | Colleu S./Jilly A. | 2:0 (6:2, 7:5) | details | 13.11.2025 | ||
| 1/8-finals | Kobelt A./Motsnyy T. | Okonkwo O./Rankin M. | CAN. | details | 04.11.2025 | ||