| 24‑Mar‑2025 | M15 Nonthaburi | Hard | R32 | 1288 | 1063 | Daniel Khazime [RUS] d. Chaiyarin | 6-3 6-4 | | 0.81 | 1.7% | 1.7% | 49.2% | 55.2% | 43.3% | 4/9 | 1:39 |
| 17‑Mar‑2025 | M15 Nonthaburi | Hard | R32 | 1288 | 704 | Thanapet Chanta [THA] d. Chaiyarin | 6-2 6-1 | | 0.57 | 4.5% | 9.1% | 50.0% | 54.5% | 36.4% | 3/8 | 1:05 |
| 17‑Feb‑2025 | Brazzaville CH | Clay | R16 | 1447 | 342 | (6)Eliakim Coulibaly [CIV] d. Chaiyarin | 6-2 1-0 RET | | 0.50 | 0.0% | 0.0% | 61.5% | 62.5% | 30.0% | 3/6 | 0:37 |
| 17‑Feb‑2025 | Brazzaville CH | Clay | R32 | 1447 | 884 | Chaiyarin d. Jasza Szajrych [POL] | 7-6(7) 6-2 | | 1.42 | 3.9% | 1.3% | 64.5% | 71.4% | 66.7% | 7/7 | 2:02 |
| 13‑Jan‑2025 | Nonthaburi 3 CH | Hard | Q1 | 1450 | 277 | (6)Enrico Dalla Valle [ITA] d. (WC)Chaiyarin | 7-5 6-1 | | 0.49 | 1.9% | 1.9% | 71.7% | 65.8% | 53.3% | 2/5 | 1:17 |
| 6‑Jan‑2025 | Nonthaburi 2 CH | Hard | Q1 | 1454 | 429 | (4)Benoit Paire [FRA] d. (WC)Chaiyarin | 6-3 7-6(5) | | 0.76 | 3.8% | 0.0% | 71.8% | 66.1% | 31.8% | 2/5 | 1:23 |
| 30‑Dec‑2024 | Nonthaburi 1 CH | Hard | Q1 | 1452 | 410 | (6)Zdenek Kolar [CZE] d. (WC)Chaiyarin | 7-5 6-3 | | 0.83 | 0.0% | 7.8% | 60.9% | 53.8% | 56.0% | 1/5 | 1:39 |