13‑Nov‑2023 | M25 Columbus OH | Hard | QF | 1220 | 1489 | (WC)Robert Cash [USA] d. Sornlaksup | 6-3 7-6(2) | | | | | | | | | |
13‑Nov‑2023 | M25 Columbus OH | Hard | R16 | 1220 | 636 | Sornlaksup d. (3)Quinn Vandecasteele [USA] | 6-2 7-6(2) | | | | | | | | | |
13‑Nov‑2023 | M25 Columbus OH | Hard | R32 | 1220 | | Sornlaksup d. (Q)Henry Lieberman [USA] | 6-1 6-2 | | | | | | | | | |
17‑Jul‑2023 | M15 Nakhon Si Thammarat | Hard | R16 | 1525 | 475 | (1)Arthur Weber [FRA] d. (WC)Sornlaksup | 6-2 6-4 | | | | | | | | | |
17‑Jul‑2023 | M15 Nakhon Si Thammarat | Hard | R32 | 1525 | 1001 | (WC)Sornlaksup d. Ji Hoon Son [KOR] | 6-0 7-5 | | | | | | | | | |
10‑Jul‑2023 | M15 Nakhon Si Thammarat | Hard | QF | 1396 | 897 | Taisei Ichikawa [JPN] d. (Q)Sornlaksup | 6-3 6-4 | | | | | | | | | |
10‑Jul‑2023 | M15 Nakhon Si Thammarat | Hard | R16 | 1396 | 519 | (Q)Sornlaksup d. (3)Digvijaypratap Singh [IND] | 6-2 6-2 | | | | | | | | | |
10‑Jul‑2023 | M15 Nakhon Si Thammarat | Hard | R32 | 1396 | 1166 | (Q)Sornlaksup d. (WC)Thantub Suksumrarn [THA] | 7-6(3) 0-1 RET | | | | | | | | | |
12‑Jun‑2023 | M25 Nakhon Si Thammarat | Hard | R16 | 1495 | 347 | (2)Hiroki Moriya [JPN] d. (Q)Sornlaksup | 6-2 6-1 | | | | | | | | | |
12‑Jun‑2023 | M25 Nakhon Si Thammarat | Hard | R32 | 1495 | 1030 | (Q)Sornlaksup d. (Q)Mitsuki Wei Kang Leong [MAS] | 2-6 6-1 6-1 | | | | | | | | | |
5‑Jun‑2023 | M15 Nakhon Si Thammarat | Hard | R16 | 1504 | 631 | (4)Kasidit Samrej [THA] d. (Q)Sornlaksup | 6-4 6-3 | | | | | | | | | |
5‑Jun‑2023 | M15 Nakhon Si Thammarat | Hard | R32 | 1504 | 1469 | (Q)Sornlaksup d. (Q)Abhinav Sanjeev Shanmugam [IND] | 6-4 6-2 | | | | | | | | | |