Taiwan: Taipei - Singles - Qualification |
| Final | Sasikumar M. | Masabayashi T. | 0:0 INT. (2:1) | details | 13.05.2024 |
| Semi-finals | Sasikumar M. | Lee K. | 2:0 (6:3, 6:4) | details | 12.05.2024 |
China: Wuxi - Singles - Qualification |
| Semi-finals | Berankis R. | Sasikumar M. | 2:1 (7:5, 64:7, 6:0) | details | 05.05.2024 |
China: Shenzhen 3 - Singles - Qualification |
| Semi-finals | Sasikumar M. | Xiao L. | 1:2 (7:5, 4:6, 4:6) | details | 22.04.2024 |
South Korea: Gwangju - Singles - Qualification |
| Semi-finals | Noguchi R. | Sasikumar M. | 2:0 (6:4, 6:4) | details | 14.04.2024 |
South Korea: Busan - Singles - Qualification |
| Semi-finals | Sasikumar M. | Ellis B. | 1:2 (7:5, 3:6, 3:6) | details | 07.04.2024 |
India: M15 Chandigarh - Singles - Main |
| Semi-finals | Sultanov K. | Sasikumar M. | 2:0 (6:2, 6:1) | details | 23.03.2024 |
| Quarter-finals | Sasikumar M. | Yin B. S. | 2:0 (6:2, 6:3) | details | 22.03.2024 |
| 1/8-finals | Sasikumar M. | Kamath M. | 2:1 (6:2, 4:6, 6:0) | details | 21.03.2024 |
| 1/16-finals | Sasikumar M. | Hans K. | 2:1 (7:62, 3:6, 6:2) | details | 20.03.2024 |
India: M25 New Delhi - Singles - Main |
| 1/16-finals | Sasikumar M. | Singh K. | 0:2 (64:7, 1:6) | details | 12.03.2024 |
Egypt: M15 Sharm ElSheikh 6 - Singles - Main |
| 1/16-finals | Bar Biryukov P. | Sasikumar M. | 2:0 (6:3, 6:1) | details | 06.03.2024 |
India: New Delhi - Singles - Main |
| 1/16-finals | Wong C. | Sasikumar M. | 2:1 (6:4, 4:6, 7:5) | details | 26.02.2024 |
India: Pune - Singles - Main |
| Quarter-finals | Sasikumar M. | Walton A. | WO. | details | 23.02.2024 |
| 1/8-finals | Sasikumar M. | Gill F. | 2:0 (6:1, 6:0) | details | 21.02.2024 |
| 1/16-finals | Gaio F. | Sasikumar M. | 0:2 (3:6, 2:6) | details | 19.02.2024 |
India: Bengaluru - Singles - Qualification |
| Semi-finals | Vincent Ruggeri S. | Sasikumar M. | 2:0 (6:4, 6:3) | details | 11.02.2024 |
India: Chennai - Singles - Main |
| Quarter-finals | Sasikumar M. | Svrcina D. | 1:2 (7:66, 2:6, 4:6) | details | 09.02.2024 |
| 1/8-finals | Echargui M. | Sasikumar M. | 0:2 (64:7, 3:6) | details | 08.02.2024 |
| 1/16-finals | Kasnikowski M. | Sasikumar M. | 1:2 (3:6, 6:4, 5:7) | details | 06.02.2024 |
India: M25 Chennai - Singles - Main |
| Final | Tomic B. | Sasikumar M. | 2:0 (6:4, 7:63) | details | 28.01.2024 |
| Semi-finals | Sels J. | Sasikumar M. | 0:1 RET. (0:6, 0:2) | details | 27.01.2024 |
| Quarter-finals | Zakharov A. | Sasikumar M. | 0:2 (5:7, 3:6) | details | 26.01.2024 |
| 1/8-finals | Sasikumar M. | Palan D. | 2:1 (5:7, 7:63, 7:5) | details | 25.01.2024 |
| 1/16-finals | Sasikumar M. | Jang Y. | 2:1 (4:6, 6:2, 6:1) | details | 23.01.2024 |
India: M25 Bhopal - Singles - Main |
| 1/16-finals | Sasikumar M. | Pichler D. | 1:2 (7:65, 4:6, 4:6) | details | 17.01.2024 |
India: M25 Mandya - Singles - Main |
| 1/8-finals | Sasikumar M. | Sels J. | 1:2 (6:2, 63:7, 3:6) | details | 11.01.2024 |
| 1/16-finals | Sasikumar M. | Hans K. | 2:0 (6:3, 6:4) | details | 10.01.2024 |
Italy: Bergamo - Singles - Qualification |
| Semi-finals | Sasikumar M. | Herbert P. | 0:2 (67:7, 4:6) | details | 29.10.2023 |
Germany: Hamburg - Singles - Main |
| 1/16-finals | Sasikumar M. | Celikbilek A. | 0:2 (5:7, 63:7) | details | 17.10.2023 |
Germany: Hamburg - Singles - Qualification |
| Final | Sasikumar M. | Rehberg M. H. | 2:1 (69:7, 6:1, 7:5) | details | 16.10.2023 |
| Semi-finals | Sasikumar M. | Butvilas E. | 2:1 (6:3, 64:7, 6:1) | details | 15.10.2023 |
Slovakia: Bratislava 2 - Singles - Qualification |
| Semi-finals | Sousa J. | Sasikumar M. | 2:1 (6:3, 4:6, 6:3) | details | 08.10.2023 |
Egypt: M15 Sharm ElSheikh 11 - Singles - Main |
| Quarter-finals | Sasikumar M. | Parker S. | 0:2 (4:6, 3:6) | details | 29.09.2023 |
| 1/8-finals | Sasikumar M. | Ianin N. | 2:0 (7:63, 6:3) | details | 28.09.2023 |
| 1/16-finals | Sasikumar M. | Bilardo J. | 2:0 (6:2, 6:0) | details | 27.09.2023 |
Egypt: M25 Sharm ElSheikh 3 - Singles - Main |
| 1/8-finals | Rossi L. | Sasikumar M. | 2:1 (3:6, 6:1, 6:1) | details | 21.09.2023 |
| 1/16-finals | Ibragimov D. | Sasikumar M. | 0:2 (63:7, 5:7) | details | 20.09.2023 |
World: Davis Cup - World Group II - Singles - Main |
| | Sasikumar M. | Moundir A. | CAN. | details | 17.09.2023 |
| | Sasikumar M. | Dlimi Y. | 1:1 RET. (7:64, 5:7, 1:4) | details | 16.09.2023 |
China: Shanghai - Singles - Main |
| 1/16-finals | Sasikumar M. | Sweeny D. | 0:2 (3:6, 4:6) | details | 05.09.2023 |
China: Zhangjiagang - Singles - Main |
| 1/16-finals | Haliak M. | Sasikumar M. | 2:0 (6:3, 7:5) | details | 30.08.2023 |
Canada: Toronto - Singles - Qualification |
| Semi-finals | Sasikumar M. | Albot R. | 0:2 (2:6, 5:7) | details | 05.08.2023 |
USA: Washington - Singles - Qualification |
| Semi-finals | Kuzuhara B. | Sasikumar M. | 2:0 (6:4, 6:2) | details | 29.07.2023 |
USA: Newport - Singles - Main |
| 1/16-finals | Quinn E. | Sasikumar M. | 2:0 (6:3, 6:1) | details | 18.07.2023 |
USA: Newport - Singles - Qualification |
| Final | Celikbilek A. | Sasikumar M. | 0:2 (5:7, 3:6) | details | 17.07.2023 |
| Semi-finals | Sasikumar M. | Zhu E. | 2:1 (4:6, 6:2, 6:3) | details | 17.07.2023 |
USA: Chicago - Singles - Qualification |
| Semi-finals | Schoolkate T. | Sasikumar M. | 2:0 (6:4, 6:1) | details | 09.07.2023 |
USA: Bloomfield Hills - Singles - Main |
| Quarter-finals | Sandgren T. | Sasikumar M. | 2:0 (7:5, 6:4) | details | 07.07.2023 |
| 1/8-finals | Sasikumar M. | Galarneau A. | 2:1 (4:6, 6:2, 7:5) | details | 06.07.2023 |