Select tournament type
| Stricker D. | Siimar M. | CAN. | details | 18.09.2021 | |||
| Laaksonen H. | Siimar M. | 2:0 (6:4, 6:0) | details | 17.09.2021 | |||
| Final | Kirkin E. | Siimar M. | 2:1 (5:7, 6:3, 6:3) | details | 08.08.2021 | ||
| Semi-finals | Siimar M. | Ivanov V. | 2:1 (6:4, 3:6, 6:2) | details | 07.08.2021 | ||
| Quarter-finals | Raisma K. | Siimar M. | 0:1 RET. (4:6, 0:1) | details | 06.08.2021 | ||
| 1/8-finals | Siimar M. | Lock B. | 2:0 (6:3, 6:4) | details | 05.08.2021 | ||
| 1/16-finals | Siimar M. | Gaubas V. | 2:1 (4:6, 6:1, 7:5) | details | 04.08.2021 | ||
| Semi-finals | Siimar M. | Sabanin Y. | 0:0 RET. (0:5) | details | 07.11.2020 | ||
| Quarter-finals | Freund S. | Siimar M. | 1:2 (1:6, 6:3, 1:6) | details | 06.11.2020 | ||
| 1/8-finals | Siimar M. | Tamm K. | 2:1 (6:3, 65:7, 6:3) | details | 05.11.2020 | ||
| 1/16-finals | Siimar M. | Hietaranta R. M. | 2:0 (6:3, 6:2) | details | 04.11.2020 | ||
| 1/16-finals | Kingsley C. | Siimar M. | 2:0 (7:5, 6:2) | details | 20.11.2019 | ||
| 1/8-finals | Siimar M. | Grenier H. | 0:2 (4:6, 3:6) | details | 06.06.2018 | ||
| 1/16-finals | Siimar M. | Mazza M. | 2:0 (6:2, 7:5) | details | 05.06.2018 | ||
| Siimar M. | Catarina L. | 1:2 (4:6, 6:4, 63:7) | details | 09.04.2017 | |||
| Harris L. | Siimar M. | 2:0 (7:5, 6:3) | details | 05.02.2017 | |||
| Final | Dalla Valle E. | Siimar M. | 2:0 (6:2, 6:4) | details | 03.09.2016 | ||
| Semi-finals | Sridhar S. | Siimar M. | 0:2 (3:6, 1:6) | details | 02.09.2016 | ||
| 1/32-finals | Valkusz M. | Siimar M. | 2:0 (7:63, 7:61) | details | 04.07.2016 | ||
| Final | Siimar M. | Bryde T. | 2:0 (6:4, 7:5) | details | 01.07.2016 | ||
| Semi-finals | Vittar F. | Siimar M. | 0:2 (1:6, 2:6) | details | 30.06.2016 | ||
| Final | Ross G. | Siimar M. | 2:0 (6:1, 6:0) | details | 27.05.2016 | ||
| Semi-finals | Moore E. | Siimar M. | 0:2 (63:7, 3:6) | details | 26.05.2016 | ||
| Bedene A./Kavcic B. | Raisma K./Siimar M. | 2:1 (6:3, 3:6, 6:1) | details | 18.09.2022 | |||
| Semi-finals | Draxl L./McNally J. | Shelton B./Siimar M. | 2:0 (6:4, 6:4) | details | 29.10.2021 | ||
| Quarter-finals | Kuzuhara B./Shelbayh A. | Shelton B./Siimar M. | 1:2 (6:3, 3:6, 5:10) | details | 28.10.2021 | ||
| 1/8-finals | Cornut-Chauvinc A./Pourroy L. | Shelton B./Siimar M. | 0:2 (3:6, 4:6) | details | 26.10.2021 | ||
| Huesler M./Stricker D. | Ivanov V./Siimar M. | 2:0 (6:4, 7:64) | details | 18.09.2021 | |||
| Semi-finals | Babelis T./Sabaliauskas A. | Ivanov V./Siimar M. | 2:1 (65:7, 6:4, 11:9) | details | 06.08.2021 | ||
| Quarter-finals | Ivanov V./Siimar M. | Minc C./Rottoli L. | 2:1 (5:7, 7:5, 11:9) | details | 05.08.2021 | ||
| 1/8-finals | Ivanov V./Siimar M. | Lajal M./Parts R. E. | 2:0 (6:3, 6:3) | details | 03.08.2021 | ||
| Semi-finals | Siimar K./Siimar M. | Ivanov V./Sabanin Y. | 0:0 RET. (5:5) | details | 06.11.2020 | ||
| Quarter-finals | Siimar K./Siimar M. | Freund S./Mridha J. | 2:1 (6:3, 0:6, 12:10) | details | 05.11.2020 | ||
| 1/8-finals | Ozolins K./Tamm K. | Siimar K./Siimar M. | 0:2 (64:7, 4:6) | details | 03.11.2020 | ||
| Metreveli A./Tsivadze G. | Ivanov V./Siimar M. | 1:2 (6:3, 3:6, 3:6) | details | 07.03.2020 | |||
| Tkemaladze Z./Tsivadze G. | Ivanov V./Siimar M. | CAN. | details | 07.03.2020 | |||
| Semi-finals | Barrientos N./Gomez A. | Fenty A./Siimar M. | 2:1 (4:6, 6:3, 11:9) | details | 11.01.2020 | ||
| Quarter-finals | Huey T./Lammons N. | Fenty A./Siimar M. | 0:2 (3:6, 65:7) | details | 10.01.2020 | ||
| 1/8-finals | Beaty N./Johnston C. | Fenty A./Siimar M. | 0:2 (2:6, 5:7) | details | 09.01.2020 | ||
| Berankis R./Grigelis L. | Raisma K./Siimar M. | 2:1 (2:6, 6:4, 7:64) | details | 04.02.2018 | |||
| Grigelis L./Mugevicius L. | Raisma K./Siimar M. | CAN. | details | 04.02.2018 | |||
| Raisma K./Siimar M. | Arneodo R./Balleret B. | 3:1 (4:6, 6:1, 6:2, 7:67) | details | 08.04.2017 | |||
| Raisma K./Siimar M. | Balleret B./Oger T. | CAN. | details | 08.04.2017 | |||
| Klaasen R./Roelofse R. | Raisma K./Siimar M. | 3:1 (64:7, 6:3, 6:4, 7:5) | details | 04.02.2017 | |||
| 1/16-finals | Crawford O./Kypson P. | Lim A./Siimar M. | 2:0 (7:65, 7:65) | details | 06.09.2016 | ||
| 1/8-finals | Siimar M./Tang J. | Raisma K./Tsitsipas S. | 1:2 (6:4, 4:6, 2:6) | details | 07.07.2016 | ||
| 1/16-finals | Siimar M./Tang J. | Benchetrit E./Blancaneaux G. | 2:0 (7:63, 6:4) | details | 05.07.2016 | ||