USA: M25 Decatur, IL - Singles - Main
1/16-finals Guzauskas G. Braswell M. 0:2 (1:6, 0:6) details 02.08.2023
USA: M25 Edwardsville, IL - Singles - Main
1/16-finals Kingsley C. Guzauskas G. 2:0 (6:0, 6:1) details 26.07.2023
USA: M25 Tulsa, OK - Singles - Main
1/16-finals Guzauskas G. Chappell N. 0:2 (63 :7, 4:6) details 21.06.2023
USA: M25 Wichita, KS - Singles - Main
1/16-finals Quinn E. Guzauskas G. 2:0 (6:2, 6:1) details 14.06.2023
World: UTR Pro Match Series - Singles - Main
Sullivan C. Guzauskas G. 1:0 RET. (7:5, 3:0) details 14.01.2021
Perego G. Guzauskas G. 2:1 (4:6, 6:4, 6:4) details 13.01.2021
Lock B. Guzauskas G. 2:0 (6:4, 6:4) details 12.01.2021
Lins D. Guzauskas G. 0:2 (3:6, 1:6) details 11.01.2021
World: UTR Pro Match Series - Singles - Main
Bernard A. Guzauskas G. 2:0 (6:3, 7:5) details 17.12.2020
USA: M15 Champaign, IL - Doubles - Main
1/8-finals Grant W./Nefve A. Guzauskas G./Horve L. 2:1 (6:2, 3:6, 10:3) details 12.09.2023
USA: M25 Decatur, IL - Doubles - Main
Semi-finals Brumm J./Clark E. Bowers T./Guzauskas G. 2:0 (6:3, 6:2) details 04.08.2023
Quarter-finals Al Allaf K./Snezhko N. Bowers T./Guzauskas G. 1:2 (5:7, 6:3, 6:10) details 04.08.2023
1/8-finals Bowers T./Guzauskas G. Neff A./Nefve A. WO. details 01.08.2023
USA: M25 Edwardsville, IL - Doubles - Main
1/8-finals Goldhoff G./Kiger M. Bowers T./Guzauskas G. 2:0 (6:1, 7:5) details 25.07.2023
USA: M25 Champaign, IL - Doubles - Main
1/8-finals Guzauskas G./Okonkwo O. Hanzlik C./Rollins P. 1:2 (4:6, 6:1, 10:12) details 18.07.2023
USA: M25 Champaign, IL - Doubles - Main
1/8-finals McCormick T./Quinn E. Guzauskas G./Meister N. 2:0 (6:4, 6:4) details 19.07.2022
USA: M15 Champaign, IL 2 - Doubles - Main
1/8-finals Guzauskas G./Stuart O. Brown A./Clark E. 1:2 (6:4, 3:6, 2:10) details 14.09.2021