Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M15 San Diego | 2024/06/11 17:00 | Joshua Charlton v Stian Klaassen | 3-6,3-6 |
| ITF M15 San Diego | 2024/06/04 16:00 | Stian Klaassen v Christopher Bulus | 4-6,2-6 |
| ITF M15 San Diego | 2024/06/03 16:00 | Benjamin Thomas George v Stian Klaassen | 0-6,0-6 |
| ITF M15 San Diego | 2024/05/27 16:00 | Robin Catry v Stian Klaassen | 6-3,6-4 |
| ITF M15 Eindhoven | 2023/08/02 11:00 | Elmer Moller v Stian Klaassen | 6-0,6-2 |
| ITF M15 Eindhoven | 2023/08/01 14:40 | Stian Klaassen v Fons Van Sambeek | 7-6,6-3 |
| ITF M15 Eindhoven | 2023/07/31 08:00 | Jack Loge v Stian Klaassen | 2-6,3-6 |
| ITF M15 Eindhoven | 2023/07/30 07:00 | Stian Klaassen v Twan Van Zijl | 6-3,6-1 |
| Challenger Tyler | 2024/06/02 18:15 | Leo Borg v James Tracy | 7-5,7-5 |
| Challenger Indian Wells | 2024/01/16 19:35 | James Tracy v Tim Handel | 3-6,4-6 |
| Challenger Indian Wells | 2024/01/14 20:10 | Darian King v James Tracy | 5-7,1-6 |
| Challenger Columbus | 2023/09/21 18:35 | James Tracy v Vasek Pospisil | 3-6,4-6 |
| Challenger Columbus | 2023/09/19 20:30 | James Tracy v Justin Boulais | 6-3,7-5 |
| Challenger Stanford | 2023/08/12 18:00 | Nick Chappell v James Tracy | 6-4,6-4 |
| Challenger Santo Domingo | 2023/08/06 17:00 | Juan Sebastian Gomez v James Tracy | 7-5,6-3 |
| ITF M25 Laval | 2023/07/16 16:00 | James Tracy v Blaise Bicknell | 6-3,3-6,4-6 |