| Challenger Piracicaba | 01/15 14:45 | 14 | [283] Joao Domingues v Arklon H D P Cordova [488] | 2-6,3-6 | |
| Challenger Oeiras | 01/10 14:10 | 25 | [283] Joao Domingues v Cem Ilkel [337] | 2-6,3-6 | |
| Challenger Oeiras | 01/04 11:00 | 26 | [274] Maximilian Neuchrist v Joao Domingues [287] | 6-3,7-6 | |
| Challenger Oeiras | 01/03 11:00 | 25 | [290] Valentin Vacherot v Joao Domingues [287] | 6-1,4-6,1-6 | |
| Challenger Maia | 11/30 10:30 | 25 | [276] Joao Domingues v Maximilian Neuchrist [359] | 2-6,5-7 | |
| Challenger Temuco | 11/24 14:00 | 26 | [189] Renzo Olivo v Joao Domingues [287] | 6-2,7-6 | |
| Challenger Temuco | 11/22 13:00 | 25 | Blaise Bicknell v Joao Domingues | 4-6,2-6 | |
| Challenger Sao Leopoldo | 11/17 17:25 | 26 | [258] Daniel Dutra Da Silva v Joao Domingues [294] | 2-6,6-4,6-4 | |
| Challenger Sao Leopoldo | 11/16 13:00 | 25 | [294] Joao Domingues v Max Houkes [344] | 7-6,7-5 | |
| Challenger Montevideo | 11/07 16:00 | 19 | [293] Joao Domingues v Max Houkes [365] | 6-3,3-6,4-6 | |
| Challenger Montevideo | 11/06 16:20 | 14 | [290] Joao Domingues v Juan Bautista Otegui [431] | 6-0,6-2 | |
| Challenger Hamburg | 10/18 09:45 | 25 | [288] Joao Domingues v Andrew Paulson [374] | 3-6,1-6 | |
| Challenger Alicante | 10/04 13:00 | 25 | [115] Fernando Verdasco v Joao Domingues [280] | 7-5,4-6,6-0 | |
| Challenger Lisbon | 09/26 13:00 | 25 | [260] Joao Domingues v Alexandre Muller [152] | 7-6,2-6,3-6 | |
| Challenger Braga | 09/22 10:00 | 26 | Pablo Llamas Ruiz v Joao Domingues | 7-6,6-0 | |
| Challenger Braga | 09/19 14:00 | 25 | [274] Joao Domingues v Vit Kopriva [154] | 5-7,6-4,6-2 | |
| Challenger Toulouse | 08/29 14:30 | 25 | [276] Joao Domingues v Elias Ymer [133] | 4-6,1-6 | |
| Challenger Prague | 08/27 09:55 | 28 | [384] Lucas Gerch v Joao Domingues [299] | 6-4,4-6,6-3 | |
| Challenger Prague | 08/26 09:40 | 27 | [299] Joao Domingues v Mariano Navone [330] | 7-6,6-3 | |
| Challenger Prague | 08/24 09:50 | 26 | [272] Vitaliy Sachko v Joao Domingues [299] | 5-7,5-7 | |
| Challenger Prague | 08/23 15:00 | 25 | Matej Vocel v Joao Domingues | 3-6,1-6 | |
| Challenger Prague | 08/22 08:00 | 19 | [298] Joao Domingues v Tristan Lamasine [469] | 6-2,6-1 | |
| Challenger Cordenons | 08/04 12:00 | 26 | [316] Joao Domingues v Andrea Vavassori [210] | 6-7,6-7 | |
| Challenger Cordenons | 08/03 12:15 | 25 | [140] Marco Cecchinato v Joao Domingues [316] | 4-6,6-2,4-6 | |
| Challenger Cordenons | 08/01 08:00 | 19 | Joao Domingues v Enrico Dalla Valle | 6-1,6-2 | |
| Challenger Cordenons | 07/31 10:10 | 14 | Joao Domingues v Manuel Mazza | 6-1,6-2 | |
| Challenger San Benedetto | 07/26 14:45 | 25 | [213] Matheus P De Almeida v Joao Domingues [302] | 7-5,6-3 | |
| Challenger San Benedetto | 07/25 09:00 | 19 | Joao Domingues v Federico Iannaccone | Retired | |
| Challenger San Benedetto | 07/24 09:00 | 14 | Joao Domingues v Giulio Colacioppo | 6-2,6-0 | |
| Challenger Tampere | 07/21 10:40 | 26 | [395] Harold Mayot v Joao Domingues [313] | 7-5,7-5 |
Wikipedia - João Domingues
João Domingues (born 5 October 1993) is a Portuguese tennis player who currently competes on the ATP Challenger as well as the ATP World Tour. In 2015, Domingues made his debut for Portugal Davis Cup team. In February 2020, he achieved a career-high singles world ranking No. 150.