| 2021 Maia Challenger | |
|---|---|
| Date | 6–12 December |
| Edition | 3rd |
| Surface | Clay |
| Location | Maia, Portugal |
| Champions | |
| Singles | |
 Geoffrey Blancaneaux | |
| Doubles | |
 Nuno Borges / Francisco Cabral | |
The 2021 Maia Challenger was a professional tennis tournament played on clay courts. It was the third edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Maia, Portugal from 6 to 12 December 2021.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 SVK | Andrej Martin | 121 | 1 |
 BEL | Kimmer Coppejans | 205 | 2 |
| POR | Gastão Elias | 222 | 3 |
| POR | João Domingues | 248 | 4 |
| POR | Nuno Borges | 253 | 5 |
 TPE | Tseng Chun-hsin | 254 | 6 |
 CAN | Steven Diez | 269 | 7 |
| FRA | Geoffrey Blancaneaux | 281 | 8 |
The following players received wildcards into the singles main draw:
Pedro Araújo Tiago Cação Duarte Vale The following players received entry into the singles main draw using protected rankings:
The following players received entry from the qualifying draw:
Lorenzo Bocchi
Miguel Damas
Oscar Moraing Simone Roncalli Geoffrey Blancaneaux def. Tseng Chun-hsin 3–6, 6–3, 6–2. Nuno Borges / Francisco Cabral def. Andrej Martin / Gonçalo Oliveira 6–3, 6–4.The 2018 Fuzion 100 Ilkley Trophy was a professional tennis tournament played on outdoor grass courts. It was the fourth edition of the tournament and was part of the 2018 ATP Challenger Tour and the 2018 ITF Women's Circuit. It took place in Ilkley, United Kingdom, on 18–24 June 2018.
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