| 2025-01-31 | Davis Cup WG2 PO: CYP vs THA | Hard | RR | 2068 |  Stylianos Christodoulou | 423 |  Kasidit Samrej | 1-6 6-0 6-4 | H2H | 3 | - | - | - | - | - | - | - |
| 2025-01-13 | Australian Open | Hard | R128 | 5 |  Daniil Medvedev (5) | 418 | Kasidit Samrej (WC) | 6-2 4-6 3-6 6-1 6-2 | H2H | 5 | 188 | 24 | 8 | 55.8% | 91.4% | 60.9% | 4/6 |
| 2023-02-03 | Davis Cup WG1 PO: ROU vs THA | - | RR | 225 |  Nicholas David Ionel | 605 | Kasidit Samrej | 6-4 6-1 | H2H | 3 | - | - | - | - | - | - | - |
| 2023-02-03 | Davis Cup WG1 PO: ROU vs THA | - | RR | 267 | Filip Cristian Jianu | 605 | Kasidit Samrej | 6-4 6-7(5) 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 2022-09-16 | Davis Cup WG2 R1: BOL vs THA | Hard | RR | 575 | Kasidit Samrej | 361 |  Murkel Dellien | 5-7 6-2 6-1 | H2H | 3 | - | - | - | - | - | - | - |
| 2022-09-16 | Davis Cup WG2 R1: BOL vs THA | Hard | RR | 575 | Kasidit Samrej | 743 | Federico Zeballos | 6-3 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 2021-09-17 | Davis Cup WG2 R1: THA vs DEN | Hard | RR | 1136 | Kasidit Samrej | 1546 |  Johannes Ingildsen | 7-5 6-3 | H2H | 3 | 88 | 6 | 6 | 48.3% | 75.0% | 43.3% | 3/7 |
| 2021-09-17 | Davis Cup WG2 R1: THA vs DEN | Hard | RR | 905 | August Holmgren | 1136 | Kasidit Samrej | 3-6 7-5 6-2 | H2H | 3 | 140 | 7 | 3 | 61.6% | 67.9% | 48.5% | 5/9 |
| 2019-04-05 | Davis Cup G2 R1: THA vs PHI | Hard | RR | - |  John Bryan Decasa Otico | - | Kasidit Samrej | 4-6 6-3 [6-7] RET | H2H | 3 | - | - | - | - | - | - | - |
