Select tournament type
| Quarter-finals | Virtanen O. | Blanchet U. | 2:0 (6:4, 6:4) | details | 24.08.2026 | ||
| 1/16-finals | Virtanen O. | Echargui M. | 0:2 (65:7, 65:7) | details | 19.08.2026 | ||
| 1/16-finals | Virtanen O. | Wu Y. | CAN. | details | 18.08.2026 | ||
| Final | Wong C. | Virtanen O. | 2:0 (7:64, 7:62) | details | 13.08.2026 | ||
| Semi-finals | Gogineni V. | Virtanen O. | 0:2 (3:6, 1:6) | details | 11.08.2026 | ||
| 1/8-finals | Skatov T. | Virtanen O. | 2:0 (6:2, 6:4) | details | 30.07.2026 | ||
| 1/16-finals | Romano F. | Virtanen O. | 0:2 (5:7, 4:6) | details | 28.07.2026 | ||
| Final | Dedura D. | Virtanen O. | 2:1 (6:3, 63:7, 6:3) | details | 26.07.2026 | ||
| Semi-finals | Kasnikowski M. | Virtanen O. | 0:2 (2:6, 2:6) | details | 25.07.2026 | ||
| Quarter-finals | Squire H. | Virtanen O. | 0:0 RET. (2:5) | details | 24.07.2026 | ||
| 1/8-finals | Kuzmanov D. | Virtanen O. | 0:2 (4:6, 2:6) | details | 23.07.2026 | ||
| 1/16-finals | Boscardin Dias P. | Virtanen O. | 1:2 (6:4, 63:7, 3:6) | details | 21.07.2026 | ||
| Semi-finals | Virtanen O. | Dietrich D. | 0:2 (4:6, 64:7) | details | 11.07.2026 | ||
| 1/32-finals | Fery A. | Virtanen O. | 3:1 (5:7, 7:63, 6:3, 6:3) | details | 02.07.2026 | ||
| 1/64-finals | Virtanen O. | Shelton B. | 3:2 (6:4, 3:6, 68:7, 6:2, 7:69) | details | 30.06.2026 | ||
| Final | Budkov Kjaer N. | Virtanen O. | 1:3 (6:4, 4:6, 4:6, 5:7) | details | 25.06.2026 | ||
| Semi-finals | Nardi L. | Virtanen O. | 0:2 (4:6, 4:6) | details | 24.06.2026 | ||
| Quarter-finals | Virtanen O. | Martinez P. | 2:1 (6:4, 1:6, 6:1) | details | 22.06.2026 | ||
| Final | Virtanen O. | O'Connell C. | 0:2 (63:7, 66:7) | details | 20.06.2026 | ||
| Semi-finals | Zhang Z. | Virtanen O. | 1:2 (4:6, 7:65, 5:7) | details | 19.06.2026 | ||
| Quarter-finals | Harris B. | Virtanen O. | 0:2 (63:7, 63:7) | details | 18.06.2026 | ||
| 1/8-finals | Virtanen O. | Gill F. | 2:0 (6:2, 6:3) | details | 17.06.2026 | ||
| 1/16-finals | Bu Y. | Virtanen O. | CAN. | details | 16.06.2026 | ||
| 1/16-finals | Kwon S. | Virtanen O. | 0:2 (2:6, 5:7) | details | 16.06.2026 | ||
| 1/16-finals | Virtanen O. | Majchrzak K. | 1:2 (7:67, 4:6, 64:7) | details | 10.06.2026 | ||
| Final | Bu Y. | Virtanen O. | 2:1 (2:6, 7:63, 6:3) | details | 07.06.2026 | ||
| Semi-finals | Virtanen O. | Majchrzak K. | 2:1 (7:66, 65:7, 7:67) | details | 07.06.2026 | ||
| Quarter-finals | Romano F. | Virtanen O. | 0:2 (4:6, 4:6) | details | 05.06.2026 | ||
| 1/8-finals | Virtanen O. | Vukic A. | WO. | details | 04.06.2026 | ||
| 1/16-finals | Zhang Z. | Virtanen O. | 0:2 (68:7, 1:6) | details | 03.06.2026 | ||
| Quarter-finals | Virtanen O. | Holmgren A. | 0:2 (68:7, 2:6) | details | 18.05.2026 | ||
| 1/16-finals | Virtanen O. | Mpetshi Perricard G. | 1:2 (6:2, 5:7, 4:6) | details | 13.05.2026 | ||
| Semi-finals | Budkov Kjaer N. | Virtanen O. | 2:1 (65:7, 7:63, 6:3) | details | 04.05.2026 | ||
| Semi-finals | Virtanen O. | Droguet T. | 1:2 (6:2, 3:6, 3:6) | details | 20.04.2026 | ||
| 1/16-finals | Alcaraz C. | Virtanen O. | 2:0 (6:4, 6:2) | details | 14.04.2026 | ||
| Final | Virtanen O. | Muller A. | 2:0 (6:4, 6:4) | details | 12.04.2026 | ||
| Semi-finals | Vukic A. | Virtanen O. | 1:2 (3:6, 7:67, 4:6) | details | 11.04.2026 | ||
| Semi-finals | Quinn E. | Virtanen O. | 2:1 (3:6, 6:2, 6:3) | details | 04.04.2026 | ||
| 1/16-finals | Virtanen O. | Merida Aguilar D. | 1:2 (64:7, 7:5, 5:7) | details | 31.03.2026 | ||
| Semi-finals | Virtanen O. | Budkov Kjaer N. | 1:2 (6:4, 2:6, 63:7) | details | 07.03.2026 | ||
| Quarter-finals | Blanchet U. | Virtanen O. | 0:2 (5:7, 63:7) | details | 06.03.2026 | ||
| 1/8-finals | Herbert P. | Virtanen O. | 0:2 (5:7, 4:6) | details | 05.03.2026 | ||
| 1/16-finals | Paris T. | Virtanen O. | 1:2 (4:6, 6:1, 62:7) | details | 03.03.2026 | ||
| 1/16-finals | Virtanen O. | Griekspoor T. | 0:2 (3:6, 4:6) | details | 24.02.2026 | ||
| Final | Struff J-L. | Virtanen O. | 1:2 (7:67, 4:6, 4:6) | details | 22.02.2026 | ||
| Semi-finals | Virtanen O. | Vukic A. | 2:0 (6:2, 6:2) | details | 21.02.2026 | ||
| Semi-finals | Basilashvili N. | Virtanen O. | CAN. | details | 14.02.2026 | ||
| Wong C. | Virtanen O. | 0:2 (5:7, 2:6) | details | 08.02.2026 | |||
| 1/8-finals | Harris L./Virtanen O. | Bu Y./Zhang Z. | 0:2 (610:7, 3:6) | details | 04.06.2026 | ||
| Cheng S. C. N./Wong C. | Niklas-Salminen P./Virtanen O. | 0:2 (4:6, 5:7) | details | 08.02.2026 | |||