| 2025 Crete Challenger VI | |
|---|---|
| Date | 13 – 19 October |
| Edition | 6th |
| Surface | Hard |
| Location | Hersonissos, Greece |
| Champions | |
| Singles | |
 Harry Wendelken | |
| Doubles | |
| Giles Hussey / Mark Whitehouse | |
The 2025 Iconico Crete Challenger VI was a professional tennis tournament played on hardcourts. It was the sixth edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Hersonissos, Greece between 13 and 19 October 2025.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| GBR | Oliver Crawford | 185 | 1 |
| GBR | Ryan Peniston | 224 | 2 |
 FRA | Geoffrey Blancaneaux | 257 | 3 |
 BUL | Dimitar Kuzmanov | 261 | 4 |
 CIV | Eliakim Coulibaly | 305 | 5 |
 GRE | Stefanos Sakellaridis | 306 | 6 |
| FRA | Robin Bertrand | 317 | 7 |
 BEL | Michael Geerts | 322 | 8 |
The following players received wildcards into the singles main draw:
Stefanos Sakellaridis Petros Tsitsipas Ioannis XilasThe following players received entry into the singles main draw using protected rankings:
The following player received entry into the singles main draw through the Junior Accelerator programme:
The following player received entry into the singles main draw through the Next Gen Accelerator programme:
The following players received entry from the qualifying draw:
Radu Albot Max Basing
Dali Blanch Charles Broom 
Petr Brunclík
Karan Singh The following player received entry as a lucky loser:
Harry Wendelken def. Maxim Mrva 6–4, 6–3. Giles Hussey / Mark Whitehouse def. Geoffrey Blancaneaux / Michael Geerts 6–4, 4–6, [10–5].
