 Tunisia: M15 Monastir 35 - Singles - Main |
|---|
| 1/16-finals | Brymer G. | Griffith W. | 2:0 (6:4, 7:65) | dettagli | 15.09.2021 |
| Tunisia: M15 Monastir 33 - Singles - Main |
|---|
| 1/16-finals | Griffith W. | Tu L. | 0:2 (64:7, 2:6) | dettagli | 01.09.2021 |
 USA: M25 Champaign, IL - Singles - Main |
|---|
| 1/16-finals | Griffith W. | Kirchheimer S. | 1:2 (6:3, 65:7, 4:6) | dettagli | 28.07.2021 |
| USA: M15 Edwardsville, IL - Singles - Main |
|---|
| Quarter-finals | Griffith W. | Kingsley C. | 0:2 (3:6, 2:6) | dettagli | 23.07.2021 |
| 1/8-finals | Boyer D. H. | Griffith W. | 1:2 (6:4, 66:7, 1:6) | dettagli | 22.07.2021 |
| 1/16-finals | Griffith W. | Ponwith N. | 2:0 (7:5, 6:4) | dettagli | 22.07.2021 |
 Greece: M15 Heraklion 4 - Singles - Main |
|---|
| Quarter-finals | Griffith W. | Harris B. | 0:2 (2:6, 65:7) | dettagli | 11.06.2021 |
| 1/8-finals | Griffith W. | Cash J. | 2:0 (7:5, 7:610) | dettagli | 10.06.2021 |
| 1/16-finals | Moeller M. | Griffith W. | 0:2 (4:6, 4:6) | dettagli | 09.06.2021 |
| Greece: M15 Heraklion 3 - Singles - Main |
|---|
| 1/16-finals | Griffith W. | Arnaboldi F. | 1:2 (3:6, 7:64, 3:6) | dettagli | 02.06.2021 |
| Greece: M15 Heraklion 2 - Singles - Main |
|---|
| 1/16-finals | Griffith W. | Mochizuki Y. | 0:2 (4:6, 4:6) | dettagli | 26.05.2021 |
 World: UTR Pro Match Series - Singles - Main |
|---|
| | Griffith W. | Sarkissian A. | WO. | dettagli | 20.02.2021 |
| | Strode I. | Griffith W. | 2:1 (3:6, 6:3, 6:2) | dettagli | 19.02.2021 |
| | Kang K. | Griffith W. | 0:2 (4:6, 4:6) | dettagli | 18.02.2021 |
| | Sheehy J. | Griffith W. | 0:2 (4:6, 3:6) | dettagli | 16.02.2021 |
| | Griffith W. | Jones A. | 2:0 (6:2, 6:2) | dettagli | 15.02.2021 |
| World: Others matches - Singles - Main |
|---|
| | Karimov J. | Griffith W. | 0:2 (1:6, 2:6) | dettagli | 27.07.2020 |
| | Griffith W. | Chappell N. | CAN. | dettagli | 18.06.2020 |
| | Brymer G. | Griffith W. | 2:0 (6:3, 6:0) | dettagli | 17.06.2020 |
| | Sarkissian A. | Griffith W. | 2:0 (6:3, 7:65) | dettagli | 16.06.2020 |
| | Altamirano C. | Griffith W. | 1:2 (6:4, 2:6, 5:10) | dettagli | 12.06.2020 |
| Greece: M15 Heraklion 4 - Singles - Main |
|---|
| 1/16-finals | Catarina L. | Griffith W. | 2:0 (6:2, 6:0) | dettagli | 04.03.2020 |
| Greece: M15 Heraklion 2 - Singles - Main |
|---|
| 1/8-finals | March A. C. | Griffith W. | 2:1 (6:4, 1:6, 6:2) | dettagli | 20.02.2020 |
| 1/16-finals | Griffith W. | Erler A. | 2:0 (7:68, 6:1) | dettagli | 19.02.2020 |
 Italy: Piombino - Singles - Main |
|---|
| 1/8-finals | Griffith W. | Trusendi W. | 0:2 (2:6, 4:6) | dettagli | 29.08.2019 |
| 1/16-finals | Bessire F. | Griffith W. | 0:2 (3:6, 62:7) | dettagli | 28.08.2019 |
 United Kingdom: M25 Sunderland - Singles - Main |
|---|
| 1/8-finals | Sijsling I. | Griffith W. | 2:0 (6:4, 6:2) | dettagli | 11.04.2019 |
| 1/16-finals | Griffith W. | Duncan S. | 2:0 (7:5, 7:65) | dettagli | 10.04.2019 |
| United Kingdom: Bolton - Singles - Main |
|---|
| 1/16-finals | Griffith W. | Lenz J. | 0:2 (0:6, 5:7) | dettagli | 02.04.2019 |
| USA: Tucson 2 - Singles - Main |
|---|
| 1/16-finals | Griffith W. | Draxl L. | 0:2 (3:6, 2:6) | dettagli | 12.02.2019 |
| USA: Claremont - Singles - Main |
|---|
| 1/16-finals | Chappell N. | Griffith W. | 2:0 (7:61, 7:5) | dettagli | 05.02.2019 |
| USA: Burlingame - Singles - Main |
|---|
| 1/16-finals | Griffith W. | Zhu M. | 0:2 (3:6, 4:6) | dettagli | 26.10.2016 |
| USA: Godfrey - Singles - Main |
|---|
| 1/16-finals | Griffith W. | Johns C. | 1:1 RET. (6:4, 2:6, 1:3) | dettagli | 19.07.2016 |
| USA: Laguna Niguel - Singles - Main |
|---|
| 1/16-finals | Matthews O. F. | Griffith W. | 2:0 (6:3, 7:5) | dettagli | 25.09.2013 |
