Stadium: Grandstand Round: 54 Ground: Clay
| ITF M15 Naples | 2021/10/12 13:30 | Ingildsen, Johannes v 포스터-에스트위크, 마튜 | 7-5,6-3 |
| ITF M15 Naples | 2021/10/06 18:50 | Shang, Juncheng v 포스터-에스트위크, 마튜 | 6-1,6-3 |
| ITF M15 Naples | 2021/10/05 13:30 | Beecher, Matthew v 포스터-에스트위크, 마튜 | 6-7,4-6 |
| UTR Pro Tennis Series Florida | 2021/09/09 12:00 | 포스터-에스트위크, 마튜 v Statham, Rubin | 2-6,0-6 |
| UTR Pro Tennis Series Florida | 2021/09/08 16:30 | 포스터-에스트위크, 마튜 v Wagner, Rafael | 7-5,6-6 |
| UTR Pro Tennis Series Florida | 2021/09/07 13:30 | 포스터-에스트위크, 마튜 v Shu Matsuoka | 4-6,6-0,6-6 |
| UTR Pro Tennis Series Florida | 2021/09/06 17:00 | 포스터-에스트위크, 마튜 v Lusovsky, Michal | 3-6,2-6 |
| UTR Pro Tennis Series Florida | 2021/08/29 12:00 | 포스터-에스트위크, 마튜 v Brian Berdusco | 2-6,6-6 |
| ITF M15 Naples | 2021/10/13 18:30 | Lakoseljac, Christian v 베이커, 블루 | 4-6,3-6 |
| ITF M15 Naples | 2021/10/12 13:30 | Statham, Rubin v Lakoseljac, Christian | 6-3,6-0 |
| ITF M15 Naples | 2021/10/11 14:30 | 오버미어, 카일 v Lakoseljac, Christian | 4-6,0-6 |
| ITF M25 Champaign | 2021/07/26 15:00 | Lakoseljac, Christian v 킹슬레이, 캐논 | 2-6,2-6 |
| ITF M15 Champaign | 2021/06/21 15:00 | 올틀리프, 조수아 v Lakoseljac, Christian | 6-3,6-4 |
| ITF M25 Wichita | 2021/06/07 15:00 | Lakoseljac, Christian v 바이벨, 니콜라스 | 5-7,5-7 |
| ITF M15 East Lansing | 2019/11/20 22:10 | 기어츠, 미가엘 v Lakoseljac, Christian | 6-4,6-4 |
| ITF M15 East Lansing | 2019/11/19 15:00 | 폭스, 다비드 v Lakoseljac, Christian | 6-7,3-6 |