Tunisia: M15 Monastir 35 - Singles - Main
1/16-finals Brymer G. Griffith W. 2:0 (6:4, 7:65 ) details 15.09.2021
Tunisia: M15 Monastir 33 - Singles - Main
1/16-finals Griffith W. Tu L. 0:2 (64 :7, 2:6) details 01.09.2021
USA: M25 Champaign, IL - Singles - Main
1/16-finals Griffith W. Kirchheimer S. 1:2 (6:3, 65 :7, 4:6) details 28.07.2021
USA: M15 Edwardsville, IL - Singles - Main
Quarter-finals Griffith W. Kingsley C. 0:2 (3:6, 2:6) details 23.07.2021
1/8-finals Boyer D. H. Griffith W. 1:2 (6:4, 66 :7, 1:6) details 22.07.2021
1/16-finals Griffith W. Ponwith N. 2:0 (7:5, 6:4) details 22.07.2021
Greece: M15 Heraklion 4 - Singles - Main
Quarter-finals Griffith W. Harris B. 0:2 (2:6, 65 :7) details 11.06.2021
1/8-finals Griffith W. Cash J. 2:0 (7:5, 7:610 ) details 10.06.2021
1/16-finals Moeller M. Griffith W. 0:2 (4:6, 4:6) details 09.06.2021
Greece: M15 Heraklion 3 - Singles - Main
1/16-finals Griffith W. Arnaboldi F. 1:2 (3:6, 7:64 , 3:6) details 02.06.2021
Greece: M15 Heraklion 2 - Singles - Main
1/16-finals Griffith W. Mochizuki Y. 0:2 (4:6, 4:6) details 26.05.2021
World: UTR Pro Match Series - Singles - Main
Griffith W. Sarkissian A. WO. details 20.02.2021
Strode I. Griffith W. 2:1 (3:6, 6:3, 6:2) details 19.02.2021
Kang K. Griffith W. 0:2 (4:6, 4:6) details 18.02.2021
Sheehy J. Griffith W. 0:2 (4:6, 3:6) details 16.02.2021
Griffith W. Jones A. 2:0 (6:2, 6:2) details 15.02.2021
Hadigian E. Griffith W. CAN. details 11.02.2021
Schnaitter J. Griffith W. 1:0 RET. (6:3, 0:0) details 10.02.2021
Mayo A. Griffith W. 0:2 (3:6, 5:7) details 08.02.2021
World: UTR Pro Match Series - Singles - Main
Brymer G. Griffith W. 0:2 (4:6, 1:6) details 04.09.2020
Griffith W. Khaledan S. 2:0 (6:1, 6:1) details 03.09.2020
Griffith W. Nedelko I. 1:2 (6:4, 4:6, 8:10) details 02.09.2020
Griffith W. Karimov J. 0:2 (3:6, 2:6) details 08.08.2020
Redlicki Ma. Griffith W. 0:2 (2:6, 2:6) details 06.08.2020
Boyer D. H. Griffith W. 0:2 (4:6, 2:6) details 02.08.2020
Karimov J. Griffith W. 0:2 (3:6, 2:6) details 01.08.2020
Nedelko I. Griffith W. 2:0 (7:5, 7:61 ) details 31.07.2020
World: Others matches - Singles - Main
Karimov J. Griffith W. 0:2 (1:6, 2:6) details 27.07.2020
Griffith W. Chappell N. CAN. details 18.06.2020
Brymer G. Griffith W. 2:0 (6:3, 6:0) details 17.06.2020
Sarkissian A. Griffith W. 2:0 (6:3, 7:65 ) details 16.06.2020
Altamirano C. Griffith W. 1:2 (6:4, 2:6, 5:10) details 12.06.2020
Schnur B. Griffith W. CAN. details 11.06.2020
Ortlip J. Griffith W. 0:2 (2:6, 5:7) details 11.06.2020
Langmo C. Griffith W. 1:2 (7:63 , 1:6, 4:10) details 10.06.2020
Greece: M15 Heraklion 4 - Singles - Main
1/16-finals Catarina L. Griffith W. 2:0 (6:2, 6:0) details 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) details 20.02.2020
1/16-finals Griffith W. Erler A. 2:0 (7:68 , 6:1) details 19.02.2020
Italy: Piombino - Singles - Main
1/8-finals Griffith W. Trusendi W. 0:2 (2:6, 4:6) details 29.08.2019
1/16-finals Bessire F. Griffith W. 0:2 (3:6, 62 :7) details 28.08.2019
United Kingdom: M25 Sunderland - Singles - Main
1/8-finals Sijsling I. Griffith W. 2:0 (6:4, 6:2) details 11.04.2019
1/16-finals Griffith W. Duncan S. 2:0 (7:5, 7:65 ) details 10.04.2019
United Kingdom: Bolton - Singles - Main
1/16-finals Griffith W. Lenz J. 0:2 (0:6, 5:7) details 02.04.2019
USA: Tucson 2 - Singles - Main
1/16-finals Griffith W. Draxl L. 0:2 (3:6, 2:6) details 12.02.2019
USA: Claremont - Singles - Main
1/16-finals Chappell N. Griffith W. 2:0 (7:61 , 7:5) details 05.02.2019
USA: Burlingame - Singles - Main
1/16-finals Griffith W. Zhu M. 0:2 (3:6, 4:6) details 26.10.2016
USA: Godfrey - Singles - Main
1/16-finals Griffith W. Johns C. 1:1 RET. (6:4, 2:6, 1:3) details 19.07.2016
USA: Laguna Niguel - Singles - Main
1/16-finals Matthews O. F. Griffith W. 2:0 (6:3, 7:5) details 25.09.2013