| 2020 Open Quimper Bretagne | |
|---|---|
| Date | 27 January – 2 February |
| Edition | 10th |
| Surface | Hard |
| Location | Quimper, France |
| Champions | |
| Singles | |
 Cem İlkel | |
| Doubles | |
 Andrey Golubev / Aleksandr Nedovyesov | |
The 2020 Open Quimper Bretagne was a professional tennis tournament played on hard courts. It was the tenth edition of the tournament which was part of the 2020 ATP Challenger Tour. It took place in Quimper, France between 27 January and 2 February 2020.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ESP | Guillermo García López | 160 | 1 |
 SRB | Danilo Petrović | 166 | 2 |
 SVK | Lukáš Lacko | 178 | 3 |
 FRA | Enzo Couacaud | 197 | 4 |
| FRA | Maxime Janvier | 201 | 5 |
 RUS | Alexey Vatutin | 207 | 6 |
| ESP | Bernabé Zapata Miralles | 210 | 7 |
 JPN | Hiroki Moriya | 212 | 8 |
 GER | Matthias Bachinger | 213 | 9 |
| FRA | Tristan Lamasine | 214 | 10 |
| FRA | Quentin Halys | 215 | 11 |
| GER | Mats Moraing | 222 | 12 |
| FRA | Constant Lestienne | 225 | 13 |
 CZE | Zdeněk Kolář | 227 | 14 |
| ESP | Roberto Ortega Olmedo | 242 | 15 |
| FRA | Mathias Bourgue | 243 | 16 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Cem İlkel def. Maxime Janvier 7–6(8–6), 7–5. Andrey Golubev / Aleksandr Nedovyesov def. 
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