South Korea: M25 Changwon - Singles - Main
1/8-finals Shin S. Kim G. J. 2:0 (6:0, 6:4) details 15.06.2023
1/16-finals Kim G. J. Rai A. 0:1 RET. (4:6, 3:2) details 15.06.2023
South Korea: M25 Daegu - Singles - Main
Quarter-finals Kim G. J. Lee J. M. 0:2 (0:6, 1:6) details 09.06.2023
1/8-finals Kim G. J. Jeong Y. 2:1 (6:1, 2:6, 6:4) details 08.06.2023
1/16-finals Delaney Je. Kim G. J. 0:2 (3:6, 3:6) details 07.06.2023
South Korea: M15 Daegu - Singles - Main
Quarter-finals Lee D. H. Kim G. J. 2:0 (6:3, 6:2) details 02.09.2022
1/8-finals Kim G. J. Lee J. M. 1:0 RET. (6:4, 3:4) details 01.09.2022
1/16-finals Kim G. J. Sookton-Eng C. 2:0 (6:4, 7:64 ) details 30.08.2022
South Korea: M15 Changwon - Singles - Main
1/16-finals Kim G. J. Matsuda R. 0:2 (1:6, 3:6) details 23.08.2022
South Korea: M15 Anseong - Singles - Main
1/16-finals Sinclair C. Kim G. J. 2:0 (7:5, 6:2) details 17.08.2022
Guam: M25 Harmon 2 - Singles - Main
1/8-finals Kim G. J. Suzuki K. 0:2 (3:6, 1:6) details 09.06.2022
1/16-finals Sinclair C. Kim G. J. 0:2 (61 :7, 3:6) details 07.06.2022
Guam: M25 Harmon - Singles - Main
1/8-finals Kim G. J. Niki T. 1:2 (6:2, 66 :7, 64 :7) details 02.06.2022
1/16-finals Okamura I. Kim G. J. 1:2 (64 :7, 7:5, 4:6) details 31.05.2022
Thailand: M15 Chiang Rai - Singles - Main
1/8-finals Nirundorn T. Kim G. J. 2:1 (3:6, 6:4, 6:3) details 07.04.2022
1/16-finals Chanta T. Kim G. J. 1:2 (65 :7, 6:4, 5:7) details 06.04.2022
South Korea: M25 Changwon - Doubles - Main
1/8-finals Kim G. J./Okamura I. Mitsui S./Saitoh K. 0:2 (0:6, 63 :7) details 13.06.2023
South Korea: M25 Daegu - Doubles - Main
1/8-finals Lee J. M./Song M.-K. Choe J./Kim G. J. 2:0 (6:3, 6:4) details 07.06.2023
South Korea: M15 Daegu - Doubles - Main
1/8-finals Kim G. J./Shin S. Kim S./Kwon S. 1:2 (6:4, 3:6, 8:10) details 01.09.2022
South Korea: M15 Changwon - Doubles - Main
1/8-finals Fancutt T. J./Rai A. Kim G. J./Shin S. 2:0 (6:1, 6:0) details 24.08.2022
South Korea: M15 Anseong - Doubles - Main
Quarter-finals Fancutt T. J./Niki T. Hyun J. H./Kim G. J. WO. details 18.08.2022
1/8-finals Hyun J. H./Kim G. J. Adam-Gedge Z./Bronka A. 2:1 (3:6, 6:1, 10:2) details 16.08.2022
Guam: M25 Harmon 2 - Doubles - Main
Quarter-finals Nam Ji S./Song M.-K. Jang Y./Kim G. J. 2:0 (6:1, 6:0) details 09.06.2022
1/8-finals Jang Y./Kim G. J. Gibson D./Sachdev A. 2:0 (6:1, 6:1) details 08.06.2022
Guam: M25 Harmon - Doubles - Main
Quarter-finals Jang Y./Kim G. J. Niki T./Takeru Y. 0:2 (1:6, 3:6) details 02.06.2022
1/8-finals Jang Y./Kim G. J. Gibson D./Schembari . A. 2:0 (6:1, 6:3) details 31.05.2022
Tunisia: M15 Monastir 24 - Doubles - Main
1/8-finals Kim G. J./Park D. Brumm J./Hijikata R. 1:2 (4:6, 6:4, 6:10) details 30.06.2021