| UTR Pro Tennis Series California | 2021/02/19 17:30 | 로페즈, 루이스 훔버토 v Spencer Johnson | 0-6,3-6 |
| UTR Pro Tennis Series California | 2021/07/20 16:30 | Spencer Johnson v 반데카스틸, 퀸 | 2-6,6-7 |
| UTR Pro Tennis Series California | 2021/07/19 18:00 | Spencer Johnson v 한, 나단 | 5-7,6-1,6-5 |
| UTR Pro Tennis Series California | 2021/07/18 18:45 | Spencer Johnson v Rubell, Samuel | 6-3,6-7,6-6 |
| UTR Pro Tennis Series California | 2021/05/30 15:00 | Spencer Johnson v Bailey, Aaron | 6-0,5-4 |
| UTR Pro Tennis Series California | 2021/05/29 15:00 | Sema Pankin v Spencer Johnson | 6-2,5-7,5-6 |
| UTR Pro Tennis Series California | 2021/05/27 16:30 | Rudy Quan v Spencer Johnson | 2-6,6-4,3-6 |
| UTR Pro Tennis Series California | 2021/05/26 16:30 | 올틀리프, 조수아 v Spencer Johnson | 6-4,5-4 |
| UTR Pro Tennis Series California | 2021/05/25 21:00 | 에반스, 가브리엘 v Spencer Johnson | 3-6,2-6 |
| UTR Pro Tennis Series California | 2021/07/20 18:00 | 로페즈, 루이스 훔버토 v Tim Dzhurinskiy | 6-2,4-6,6-2 |
| UTR Pro Tennis Series California | 2021/07/19 21:30 | 로페즈, 루이스 훔버토 v 롤린스, 피엘스 | 3-6,3-5 |
| UTR Pro Tennis Series California | 2021/07/18 16:30 | 프리에, 브라들레이 v 로페즈, 루이스 훔버토 | 6-2,5-4 |
| UTR Pro Tennis Series California | 2021/05/22 16:30 | 로페즈, 루이스 훔버토 v Jackson Allen | 3-6,2-6 |
| UTR Pro Tennis Series California | 2021/05/20 19:30 | 로페즈, 루이스 훔버토 v Schnaitter, Jakob | 4-6,7-5,5-2 |
| UTR Pro Tennis Series California | 2021/05/19 21:30 | 로페즈, 루이스 훔버토 v Barretto, Paul | 5-7,7-5,3-1 |
| UTR Pro Tennis Series California | 2021/05/18 18:00 | 로페즈, 루이스 훔버토 v Kang, Kyle | 7-5,1-6,3-6 |
| UTR Pro Tennis Series California | 2021/05/17 15:00 | 로페즈, 루이스 훔버토 v 스트로드, 이사이아 | 4-6,2-6 |