| 2023 Internationaux de Tennis de Blois | |
|---|---|
| Date | 19–24 June |
| Edition | 9th |
| Surface | Clay |
| Location | Blois, France |
| Champions | |
| Singles | |
 Quentin Halys | |
| Doubles | |
| Dan Added / Grégoire Jacq | |
The 2023 Internationaux de Tennis de Blois was a professional tennis tournament played on clay courts. It was the ninth edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Blois, France between 19 and 24 June 2023.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| FRA | Quentin Halys | 84 | 1 |
 ESP | Pedro Martínez | 120 | 2 |
 KAZ | Timofey Skatov | 135 | 3 |
 BRA | |||
 BEL | Kimmer Coppejans | 171 | 5 |
| FRA | Harold Mayot | 191 | 6 |
 SWE | Dragoș Nicolae Mădăraș | 207 | 7 |
| Evgeny Donskoy | 230 | 8 |
The following players received wildcards into the singles main draw:
Mathias Bourgue Arthur Gea Clément Tabur The following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
Ugo Blanchet Kenny de Schepper Kyrian Jacquet 
Alex Michelsen Daniel Rincón Nikolás Sánchez Izquierdo The following player received entry as a lucky loser:
Quentin Halys def. Kyrian Jacquet 4–6, 6–2, 2–0 ret. Dan Added / Grégoire Jacq def. Théo Arribagé / Luca Sanchez 6–4, 6–4.The 2020 Open de Rennes was a professional tennis tournament played on hard courts. It was the fourteenth edition of the tournament and part of the 2020 ATP Challenger Tour. It took place in Rennes, France between 20 and 26 January 2020.
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