Stadium: Court 9 Round: 54 Ground: Clay
| ITF M15 Orange Park | 2023/05/01 14:00 | Lazar Markovic v Ryan Haviland | 6-7,3-6 |
| ITF M25 Pensacola | 2023/05/17 16:10 | Ryan Haviland v Nathan Ponwith | 1-6,3-6 |
| ITF M25 Pensacola | 2023/05/16 14:20 | Ryan Haviland v Alexander Visser | 5-7,6-4,10-7 |
| ITF M25 Pensacola | 2023/05/15 14:30 | Francisco Llanes v Ryan Haviland | 5-7,5-7 |
| ITF M15 Orange Park | 2023/05/03 19:20 | Gabi Adrian Boitan v Ryan Haviland | 6-2,6-1 |
| ITF M15 Orange Park | 2023/05/02 14:00 | Jake Bhangdia v Ryan Haviland | 2-6,5-7 |
| ITF M15 Orange Park | 2023/05/01 14:00 | Lazar Markovic v Ryan Haviland | 6-7,3-6 |
| ITF M15 Vero Beach | 2023/04/26 16:00 | Ryan Haviland v Andres Andrade | 5-7,3-6 |
| ITF M15 Sunrise | 2023/04/13 13:00 | Tristan McCormick v Ryan Haviland | 6-3,6-3 |
| ITF M15 Santiago | 2024/04/15 16:00 | Lazar Markovic v Felipe Pagnacco | 2-6,1-6 |
| ITF M25 Santo Domingo | 2024/03/10 14:00 | Eloi Roux v Lazar Markovic | 6-4,7-6 |
| ITF M25 Santo Domingo | 2024/03/03 17:00 | Lazar Markovic v Lucas Nunez | 6-4,2-6,4-10 |
| ITF M25 Ithaca | 2024/01/15 17:30 | Lazar Markovic v Pranav Kumar | 1-6,2-6 |
| ITF M15 Addis Ababa - Kval | 2023/05/21 11:40 | Lazar Markovic v Guelfo Baldovinetti | 1-6,1-6 |
| ITF M15 Addis Ababa | 2023/05/15 09:25 | Denis Constantin Spiridon v Lazar Markovic | 6-0,6-3 |
| ITF M15 Addis Ababa | 2023/05/14 07:00 | Lazar Markovic v Alexey Dubinin | 7-6,6-4 |
| ITF M15 Orange Park | 2023/05/01 14:00 | Lazar Markovic v Ryan Haviland | 6-7,3-6 |