 Brazil: M25 Lajeado - Doubles - Main |
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| Quarter-finals | Oliveira C./Roveri Sidney G. | Britto L./Saraiva Dos Santos P. A. | 1:2 (6:3, 3:6, 7:10) | details | 13.10.2023 |
| 1/8-finals | Oliveira C./Roveri Sidney G. | Barreiros Reyes M./Kuzuhara B. | WO. | details | 11.10.2023 |
 Argentina: M25 Mendoza - Doubles - Main |
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| Quarter-finals | Huertas Del Pino A./Huertas Del Pino C. | Britto L./Oliveira C. | 2:0 (6:3, 6:2) | details | 05.10.2023 |
| 1/8-finals | Britto L./Oliveira C. | Hess S./Tenti F. | 2:0 (6:1, 7:65) | details | 03.10.2023 |
| Argentina: M25 Lujan - Doubles - Main |
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| 1/8-finals | Leal V./Oliveira C. | Carou I./Kestelboim M. | 0:2 (2:6, 2:6) | details | 27.09.2023 |
 Uruguay: M15 Punta del Este - Doubles - Main |
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| 1/8-finals | Aguilar Cardozo F./Aguilar Cardozo J. | Loureiro J. V. C./Oliveira C. | 2:0 (6:1, 6:4) | details | 20.09.2023 |
| 1/8-finals | Cigarran T./Roncadelli F. | Loureiro J. V. C./Oliveira C. | CAN. | details | 19.09.2023 |
| 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 |
| 1/8-finals | Klier Junior G./Oliveira C. | De Dios F./Ratti L. | 2:0 (6:2, 6:1) | details | 23.08.2023 |
 Tunisia: M15 Monastir 28 - Doubles - Main |
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| Quarter-finals | Klier Junior G./Oliveira C. | Cronje L./Popyrin An. | 1:2 (6:2, 63:7, 7:10) | details | 13.07.2023 |
| 1/8-finals | Pearson K./Watanabe S. | Klier Junior G./Oliveira C. | 1:2 (6:3, 3:6, 5:10) | details | 11.07.2023 |
| Tunisia: M15 Monastir 27 - Doubles - Main |
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| Semi-finals | Kudriashov I./Lobanov A. | Klier Junior G./Oliveira C. | 2:1 (6:3, 65:7, 10:8) | details | 07.07.2023 |
| Quarter-finals | Klier Junior G./Oliveira C. | Reco A./Wallart E. | 2:0 (6:2, 6:4) | details | 06.07.2023 |
| 1/8-finals | Ilhan M./Ovchinnikov V. | Klier Junior G./Oliveira C. | 0:2 (3:6, 3:6) | details | 04.07.2023 |
| Tunisia: M15 Monastir 24 - Doubles - Main |
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| Final | Merino A./Negritu Ch. | Klier Junior G./Oliveira C. | 0:2 (5:7, 4:6) | details | 17.06.2023 |
| Semi-finals | Kudriashov I./Lobanov A. | Klier Junior G./Oliveira C. | 0:2 (63:7, 1:6) | details | 16.06.2023 |
| Quarter-finals | Klier Junior G./Oliveira C. | Coelho F./Ouakaa A. | 2:1 (3:6, 6:2, 11:9) | details | 15.06.2023 |
| 1/8-finals | Klier Junior G./Oliveira C. | Martin D./Melnic V. | 2:0 (6:3, 6:3) | details | 13.06.2023 |
| Brazil: Florianopolis - Doubles - Main |
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| Final | Oliveira C./Sakamoto P. | Boscardin Dias P./Heide G. | 0:2 (2:6, 5:7) | details | 22.04.2023 |
| Semi-finals | Oliveira C./Sakamoto P. | Panta J./Zukas M. | 2:0 (6:4, 6:3) | details | 21.04.2023 |
| Quarter-finals | Gimenez I./Yamacita F. | Oliveira C./Sakamoto P. | 1:2 (66:7, 7:5, 7:10) | details | 20.04.2023 |
| 1/8-finals | Ribeiro de Almeida G./Rodrigues P. | Oliveira C./Sakamoto P. | 0:2 (4:6, 3:6) | details | 19.04.2023 |
| Brazil: M25 Rio de Janeiro - Doubles - Main |
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| Quarter-finals | Oliveira C./Tumasonis G. P. | Aboian L./Aboian V. | 0:2 (1:6, 1:6) | details | 19.10.2022 |
| 1/8-finals | Oliveira C./Tumasonis G. P. | Augusto dos Santos R./Schenekenberg G. | 2:0 (6:2, 6:4) | details | 18.10.2022 |
| 1/8-finals | Oliveira C./Tumasonis G. P. | Barrena A./Del Pino M. | CAN. | details | 18.10.2022 |
| Brazil: M15 Brasilia - Doubles - Main |
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| Quarter-finals | Britto L./Zormann Da Silva M. | Esquici L./Oliveira C. | 2:1 (7:65, 4:6, 10:7) | details | 25.08.2022 |
| 1/8-finals | Gagliardo L./Lucero J. | Esquici L./Oliveira C. | 0:2 (1:6, 2:6) | details | 24.08.2022 |
| 1/8-finals | Salazar A./Simonit E. | Esquici L./Oliveira C. | CAN. | details | 24.08.2022 |
 Mexico: M15 Cancun 9 - Doubles - Main |
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| 1/8-finals | Oliveira C./Tumasonis G. P. | Carou I./Farjat T. | 0:0 RET. (0:4) | details | 19.07.2022 |
| Mexico: M15 Cancun 8 - Doubles - Main |
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| 1/8-finals | Oliveira C./Tumasonis G. P. | Hernandez A./Rubio Fierros A. F. | 0:2 (610:7, 3:6) | details | 13.07.2022 |
| Brazil: M15 Brasilia - Doubles - Main |
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| Quarter-finals | Loureiro J. V. C./Marcondes I. | Oliveira C./Rodrigues P. | 2:0 (6:2, 6:3) | details | 04.11.2021 |
| 1/8-finals | Mansur V./Starling R. | Oliveira C./Rodrigues P. | 1:2 (2:6, 6:4, 6:10) | details | 03.11.2021 |
| Brazil: M25 Rio do Sul - Doubles - Main |
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| Quarter-finals | Leite W./Oliveira C. | Pereira J./Roveri Sidney G. | 0:2 (1:6, 1:6) | details | 21.10.2021 |
| 1/8-finals | Gruber C./Trevisan Rezende M. | Leite W./Oliveira C. | 0:2 (2:6, 2:6) | details | 19.10.2021 |
| Brazil: M15 Recife - Doubles - Main |
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| Semi-finals | Oliveira C./Rodrigues N. | Dutra Da Silva D./Zormann Da Silva M. | 0:2 (4:6, 2:6) | details | 25.09.2021 |
| Quarter-finals | Halmenschlager Reis I./Obeid L. | Oliveira C./Rodrigues N. | 0:2 (2:6, 64:7) | details | 23.09.2021 |
Ecuador: M15 Quito 4 - Singles - Main