Select tournament type
| Semi-finals | Gengel M. | Nam Ji S. | 2:0 (6:3, 6:4) | details | 25.01.2026 | ||
| Semi-finals | Nam Ji S. | Isomura K. | 1:2 (6:1, 66:7, 4:6) | details | 04.01.2026 | ||
| Final | Marcondes I. | Nam Ji S. | 2:0 (6:4, 6:4) | details | 17.11.2025 | ||
| Semi-finals | Trouve N. | Nam Ji S. | 0:2 (0:6, 1:6) | details | 16.11.2025 | ||
| 1/16-finals | Barton H. | Nam Ji S. | 2:1 (68:7, 6:4, 7:66) | details | 11.11.2025 | ||
| Final | Ajdukovic D. | Nam Ji S. | 1:2 (4:6, 7:5, 4:6) | details | 10.11.2025 | ||
| Semi-finals | Nam Ji S. | Huang T. | 2:0 (6:2, 6:3) | details | 09.11.2025 | ||
| 1/16-finals | Nam Ji S. | Rodionov J. | 1:2 (6:2, 63:7, 2:6) | details | 04.11.2025 | ||
| Final | Nam Ji S. | Yuzuki T. | 2:0 (7:65, 6:1) | details | 03.11.2025 | ||
| Semi-finals | Nam Ji S. | Nakamura R. | 2:0 (6:1, 6:2) | details | 02.11.2025 | ||
| Final | Nam Ji S. | Park U. | 0:2 (4:6, 1:6) | details | 27.10.2025 | ||
| Semi-finals | Oberleitner N. | Nam Ji S. | 1:2 (3:6, 6:4, 1:6) | details | 26.10.2025 | ||
| Final | Huang T. | Nam Ji S. | 2:0 (6:2, 6:4) | details | 25.08.2025 | ||
| Semi-finals | Kaliyanda Poonacha N. | Nam Ji S. | 0:1 RET. (4:6, 0:0) | details | 24.08.2025 | ||
| 1/8-finals | Nam Ji S. | Cho Seung Woo | 1:2 (65:7, 6:3, 3:6) | details | 21.08.2025 | ||
| Final | Nam Ji S./Niklas-Salminen P. | Isaro P./Kaliyanda Poonacha N. | 2:1 (6:4, 61:7, 10:7) | details | 28.02.2026 | ||
| Semi-finals | Banthia S./Donski A. | Nam Ji S./Niklas-Salminen P. | 0:2 (2:6, 4:6) | details | 27.02.2026 | ||
| Quarter-finals | Nam Ji S./Niklas-Salminen P. | Matsuda R./Simakin I. | 2:0 (6:3, 6:3) | details | 26.02.2026 | ||
| 1/8-finals | Nam Ji S./Niklas-Salminen P. | Dhamne M./Vishal Balsekar A. | 2:0 (6:2, 6:1) | details | 25.02.2026 | ||
| Semi-finals | Nam Ji S./Niklas-Salminen P. | Isaro P./Kaliyanda Poonacha N. | 0:2 (63:7, 4:6) | details | 21.02.2026 | ||
| Quarter-finals | Myneni S./Singh D. | Nam Ji S./Niklas-Salminen P. | 0:2 (3:6, 4:6) | details | 20.02.2026 | ||
| 1/8-finals | Sweeny D./Watanabe S. | Nam Ji S./Niklas-Salminen P. | 0:2 (67:7, 2:6) | details | 19.02.2026 | ||
| Nam Ji S./Park U. | Andreozzi G./Gomez F. A. | 0:2 (3:6, 5:7) | details | 08.02.2026 | |||
| Final | Nam Ji S./Park U. | Charlton J./Marrero Curbelo I. | 2:0 (6:4, 6:3) | details | 31.01.2026 | ||
| Semi-finals | Nam Ji S./Park U. | Cook E./Pearson K. | 2:0 (7:61, 6:1) | details | 30.01.2026 | ||
| Quarter-finals | Nam Ji S./Park U. | Bar Biryukov P./Simakin I. | 2:0 (6:2, 6:4) | details | 28.01.2026 | ||
| 1/8-finals | Nam Ji S./Park U. | Nguyen M. P./Cuong T. Q. | 2:0 (6:2, 6:2) | details | 26.01.2026 | ||
| Quarter-finals | Trotter J. K./Uesugi K. | Nam Ji S./Park U. | 2:1 (64:7, 6:4, 10:4) | details | 22.01.2026 | ||
| 1/8-finals | Nguyen M. P./Cuong T. Q. | Nam Ji S./Park U. | 0:2 (2:6, 0:6) | details | 21.01.2026 | ||
| Quarter-finals | Balaji N. S./Oberleitner N. | Loof T./Nam Ji S. | 2:0 (7:66, 6:4) | details | 15.01.2026 | ||
| 1/8-finals | Loof T./Nam Ji S. | Charlton J./Lock C. | 2:0 (6:3, 7:5) | details | 13.01.2026 | ||
| 1/8-finals | Noguchi R./Santillan A. | Loof T./Nam Ji S. | 2:0 (7:5, 7:5) | details | 07.01.2026 | ||
| Semi-finals | Imamura M./Matsuda R. | Nam Ji S./Yuzuki T. | 2:1 (7:62, 3:6, 12:10) | details | 21.11.2025 | ||
| Quarter-finals | Nam Ji S./Yuzuki T. | Loof T./Ramanathan R. | 2:0 (7:63, 7:5) | details | 20.11.2025 | ||
| 1/8-finals | Nam Ji S./Yuzuki T. | Nedunchezhiyan J./Park U. | 2:1 (3:6, 6:3, 10:5) | details | 19.11.2025 | ||
| Quarter-finals | Loof T./Ramanathan R. | Nam Ji S./Yuzuki T. | 2:0 (6:4, 6:4) | details | 13.11.2025 | ||
| 1/8-finals | Ho R./Jung J. | Nam Ji S./Yuzuki T. | 0:2 (2:6, 3:6) | details | 12.11.2025 | ||
| 1/8-finals | Isaro P./Kaliyanda Poonacha N. | Nam Ji S./Yuzuki T. | 2:1 (4:6, 7:66, 14:12) | details | 05.11.2025 | ||
| 1/8-finals | Lammons N./Rojer J. | Nam Ji S./Yuzuki T. | 2:0 (6:3, 7:62) | details | 29.10.2025 | ||
| Semi-finals | Bollipalli R./Kadhe A. | Nam Ji S./Yuzuki T. | 2:1 (63:7, 6:4, 10:5) | details | 10.10.2025 | ||
| Quarter-finals | Nam Ji S./Yuzuki T. | Jung J./Nedunchezhiyan J. | 2:0 (7:65, 6:3) | details | 09.10.2025 | ||
| 1/8-finals | Nam Ji S./Yuzuki T. | Park U./Wang A. | 2:0 (6:4, 6:3) | details | 08.10.2025 | ||
| Park U./Nam Ji S. | Shevchenko A./Skatov T. | 2:0 (6:2, 6:3) | details | 13.09.2025 | |||
| Nam Ji S./Park U. | Skatov T./Zhukayev B. | CAN. | details | 13.09.2025 | |||
| Semi-finals | Castelnuovo L./Santillan A. | Nam Ji S./Yuzuki T. | 2:1 (1:6, 7:5, 12:10) | details | 29.08.2025 | ||
| Quarter-finals | Cui J./Te R. | Nam Ji S./Yuzuki T. | 1:2 (4:6, 7:5, 7:10) | details | 28.08.2025 | ||
| 1/8-finals | Isomura K./Wang A. | Nam Ji S./Yuzuki T. | 0:2 (5:7, 1:6) | details | 27.08.2025 | ||
| Final | Nam Ji S./Park U. | Cho Seung Woo/Yang Z. | 2:1 (6:3, 4:6, 10:7) | details | 23.08.2025 | ||
| Semi-finals | Nam Ji S./Park U. | Agafonov E./Zhukov M. | 2:1 (6:2, 65:7, 10:3) | details | 22.08.2025 | ||
| Quarter-finals | Nam Ji S./Park U. | Han Seon Yong/Vardhan V. | 2:0 (6:3, 6:3) | details | 21.08.2025 | ||