| Date: | 8–14 July |
| Edition: | 1st |
| Surface: | Hard |
| Location: | Istanbul, Turkey |
| Champs: | Benjamin Becker |
| Champd: |  James Cluskey /  Fabrice Martin |
| After Year: | no |
The 2013 PTT Cup is a professional tennis tournament played on hard courts. It is the 1st edition of the tournament which is part of the 2013 ATP Challenger Tour. It took place in Istanbul, Turkey between 8 and 14 July 2013.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Belgium | David Goffin | 83 | 1 | |
 Israel | Dudi Sela | 88 | 2 | |
| Benjamin Becker | 92 | 3 | ||
 Russian Federation | Teymuraz Gabashvili | 137 | 4 | |
| Marco Chiudinelli | 159 | 5 | ||
 Belarus | Uladzimir Ignatik | 162 | 6 | |
 Turkey | Marsel İlhan | 180 | 7 | |
 Kazakhstan | Mikhail Kukushkin | 191 | 8 |
The following players received wildcards into the singles main draw:
Tuna Altuna Durukan Durmuş Barış Ergüden Anıl YükselThe following players received entry as alternates into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
See main article: 2013 PTT Cup – Singles.
Dudi Sela 6–1, 2–6, 3–2 ret.See main article: 2013 PTT Cup – Doubles.
James Cluskey / Fabrice Martin def. 
Brydan Klein / Ruan Roelofse 3–6, 6–3, [10–5]