| UTR Pro Tennis Series - California | 2021/12/28 21:30 | Hugo Hashimoto v Guilherme W Osorio | 6-4,6-2 |
| UTR Pro Tennis Series - California | 2021/12/27 20:02 | Emin Torlic v Guilherme W Osorio | 1-6,0-6 |
| UTR Pro Tennis Series - California | 2021/12/26 22:30 | Jacob Bullard v Guilherme W Osorio | 5-7,1-6 |
| ITF M15 Idanha-a-Nova | 2019/07/09 09:00 | Guilherme W Osorio v Sean Hodkin | 6-7,6-4,4-10 |
| ITF M15 Idanha-a-Nova | 2019/07/08 09:00 | Guilherme W Osorio v Eduardo LDR De Almeida | 6-1,6-0 |
| ITF USA F24 | 2018/09/12 16:30 | Guilherme W Osorio v Keegan Smith | 6-7,3-6 |
| ITF Portugal F14 | 2018/08/09 10:30 | Guilherme W Osorio v Frederico Ferreira Silva | 0-6,2-6 |
| ITF Portugal F14 | 2018/08/07 11:00 | Mark Whitehouse v Guilherme W Osorio | 6-7,6-4,4-6 |
| UTR Pro Tennis Series - California | 2021/12/31 16:00 | Luke Casper v Gage Brymer | 2-6,2-6 |
| UTR Pro Tennis Series - California | 2021/12/28 21:30 | Luke Casper v Andras Necz | 1-6,6-0,6-1 |
| UTR Pro Tennis Series - California | 2021/12/27 02:00 | Luke Casper v Tristan Sarap | 1-6,7-6,6-2 |
| UTR Pro Tennis Series - Texas | 2021/09/26 15:00 | Raphael Perot v Luke Casper | 6-1,6-0 |
| UTR Pro Tennis Series - Texas | 2021/09/25 13:00 | Luke Casper v Rahul Dhokia | 6-4,6-4 |
| UTR Pro Tennis Series - Texas | 2021/09/24 14:30 | Jack Pulliam v Luke Casper | 6-7,4-5 |
| UTR Pro Tennis Series - Texas | 2021/09/23 13:00 | Anish Sriniketh v Luke Casper | 7-5,6-4 |
| UTR Pro Tennis Series - Texas | 2021/09/22 17:30 | Ritesh Patil v Luke Casper | 6-7,5-7 |