 Uruguay: Punta Del Este - Doubles - Main |
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| 1/8-finals | Dellien Velasco M. A./Gomez F. A. | Klier Junior G./Reis Da Silva J. | CAN. | details | 24.01.2024 |
 Argentina: Buenos Aires 2 - Doubles - Main |
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| Quarter-finals | Klier Junior G./Reis Da Silva J. | Fonseca J./Sakamoto P. | 0:2 (1:6, 64:7) | details | 18.01.2024 |
| 1/8-finals | Klier Junior G./Reis Da Silva J. | Gomez F. A./Torres J. B. | 2:0 (7:61, 6:2) | details | 17.01.2024 |
 Chile: Temuco - Doubles - Main |
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| Semi-finals | Klier Junior G./Reis Da Silva J. | Kovacevic A./Smith K. | 0:2 (4:6, 3:6) | details | 02.12.2023 |
| Quarter-finals | Barrientos N./Goransson A. | Klier Junior G./Reis Da Silva J. | 1:2 (7:68, 3:6, 8:10) | details | 30.11.2023 |
| 1/8-finals | Andrade A./Perez B. | Klier Junior G./Reis Da Silva J. | 1:2 (6:3, 65:7, 4:10) | details | 28.11.2023 |
 Brazil: Brasilia - Doubles - Main |
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| 1/8-finals | Demoliner M./Matos R. | Heide G./Klier Junior G. | 0:0 RET. (0:0) | details | 23.11.2023 |
 Ecuador: Guayaquil - Doubles - Main |
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| 1/8-finals | Andrade A./Buse I. | Klier Junior G./Sakamoto P. | 2:0 (6:4, 6:0) | details | 31.10.2023 |
| Brazil: Campinas - Doubles - Main |
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| Quarter-finals | Andreozzi G./Duran G. | Klier Junior G./Pucinelli de Almeida M. | 2:0 (6:4, 7:63) | details | 05.10.2023 |
| 1/8-finals | Gimenez I./Zanellato N. | Klier Junior G./Pucinelli de Almeida M. | 0:2 (1:6, 2:6) | details | 05.10.2023 |
| Argentina: M15 Olavarria - Doubles - Main |
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| Quarter-finals | Loureiro J. V. C./Klier Junior G. | Carou I./Kestelboim M. | 0:2 (1:6, 1:6) | details | 08.09.2023 |
| 1/8-finals | Loureiro J. V. C./Klier Junior G. | Collardin J. C./Pagnacco F. | 2:0 (6:2, 6:3) | details | 05.09.2023 |
| Argentina: M15 Buenos Aires - Doubles - Main |
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| Final | Kestelboim M./Villanueva G. | Loureiro J. V. C./Klier Junior G. | 2:0 (6:1, 6:2) | details | 02.09.2023 |
| Semi-finals | Loureiro J. V. C./Klier Junior G. | Guercio L./Zeitune G. | 2:0 (6:1, 6:3) | details | 01.09.2023 |
| Quarter-finals | Loureiro J. V. C./Klier Junior G. | Descotte M. F./Lingua Lavallen A. L. | 2:0 (7:68, 7:5) | details | 31.08.2023 |
| 1/8-finals | Loureiro J. V. C./Klier Junior G. | Bramajo S./Mastri A. | 2:0 (6:2, 6:3) | details | 29.08.2023 |
| Brazil: M15 Sao Paulo - Doubles - Main |
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| Quarter-finals | Becerra Otarola I. A./Nunez D. A. | Klier Junior G./Oliveira C. | 2:0 (7:63, 7:64) | details | 24.08.2023 |
Colombia: Bogota - Singles - Main
Bolivia: Santa Cruz - Singles - Qualification