Stadium: Court 2 Round: 19 Ground: Hardcourt outdoor
| Challenger Tallahassee | 2023/04/16 23:35 | Alexandre Aubriot v Matija Pecotic | 7-6,6-3 |
| Challenger Sarasota | 2023/04/09 23:00 | Matija Pecotic v Mateus Alves | 3-6,5-7 |
| ATP Houston | 2023/04/01 17:45 | Yosuke Watanuki v Matija Pecotic | 7-6,6-4 |
| ATP Delray Beach | 2023/02/15 23:00 | Marcos Giron v Matija Pecotic | 6-3,6-3 |
| ATP Delray Beach | 2023/02/14 23:00 | Jack Sock v Matija Pecotic | 6-4,2-6,2-6 |
| ATP Delray Beach | 2023/02/12 15:00 | Matija Pecotic v Tennys Sandgren | 3-6,6-3,6-2 |
| Challenger Cleveland | 2023/01/31 19:25 | Matija Pecotic v Zachary Svajda | 1-6,2-6 |
| Challenger Cleveland | 2023/01/30 17:25 | Thai-Son Kwiatkowski v Matija Pecotic | 6-2,5-7,4-6 |
| Davis Cup | 2023/02/04 16:30 | Darian King v Colin Sinclair | 7-6,6-3 |
| Davis Cup | 2023/02/03 15:00 | Darian King v Clement Mainguy | 6-4,6-0 |
| ITF M25 Wesley Chapel | 2023/01/25 17:05 | Darian King v Thomas Brown | 5-7,5-7 |
| ITF M15 Ithaca | 2023/01/22 19:55 | Radu Mihai Papoe v Darian King | 1-6,6-4,6-2 |
| ITF M15 Ithaca | 2023/01/21 19:50 | Mac Kiger v Darian King | 1-6,3-6 |
| ITF M15 Ithaca | 2023/01/20 18:45 | Darian King v Strong Kirchheimer | 6-2,6-7,6-4 |
| ITF M15 Ithaca | 2023/01/19 17:30 | Nathan Ponwith v Darian King | 6-4,2-6,4-6 |
| ITF M15 Ithaca | 2023/01/18 16:00 | Ishaan Ravichander v Darian King | 2-6,7-5,1-6 |