2023 Istanbul Challenger
Tennis tournament
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The 2023 QNB Finansbank Istanbul Challenger 75. TED Open International Tennis Tournament was a professional tennis tournament played on hardcourts. It was the 37th edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Istanbul, Turkey between 4 and 10 September 2023.[1]
| 2023 Istanbul Challenger | |
|---|---|
| Date | 4–10 September |
| Edition | 37th |
| Surface | Hard |
| Location | Istanbul, Turkey |
| Champions | |
| Singles | |
 Damir Džumhur | |
| Doubles | |
 Luke Johnson /  Skander Mansouri | |
Singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 KOR |
Kwon Soon-woo | 104 | 1 |
 NED |
Jesper de Jong | 141 | 2 |
 SVK |
Lukáš Klein | 155 | 3 |
 CRO |
Dino Prižmić | 176 | 4 |
 BEL |
Gauthier Onclin | 198 | 5 |
 FRA |
Harold Mayot | 204 | 6 |
| BIH |
Damir Džumhur | 211 | 7 |
| SVK |
Norbert Gombos | 217 | 8 |
- 1 Rankings are as of 28 August 2023.[2]
Other entrants
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Champions
Singles
Damir Džumhur def. 
Lukáš Klein 7–6(7–5), 6–3.
Doubles
Luke Johnson / 
Skander Mansouri def. 
Sander Arends / 
Aisam-ul-Haq Qureshi 7–6(7–3), 6–3.
