| Date: | 7–13 September |
| Edition: | 20th (men) 15th (women) |
| Location: | Alphen aan den Rijn, Netherlands |
| Surface: | Clay |
| Champms: |  Damir Džumhur |
| Champmd: | Tobias Kamke / Jan-Lennard Struff |
| Champws: |  Marie Benoît |
| Champwd: |  Quirine Lemoine / Eva Wacanno |
The 2015 TEAN International was a professional tennis tournament played on outdoor clay courts. It was the 20th edition of the tournament which was part of the 2015 ATP Challenger Tour and the 15th edition of the tournament for the 2015 ITF Women's Circuit. It took place in Alphen aan den Rijn, Netherlands, on 7 – 13 September 2015.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Bosnia and Herzegovina | Damir Džumhur | 98 | 1 | |
| Jan-Lennard Struff | 115 | 2 | ||
| Thiemo de Bakker | 147 | 3 | ||
| Igor Sijsling | 167 | 4 | ||
| Tobias Kamke | 172 | 5 | ||
| Belgium | Germain Gigounon | 188 | 6 | |
 France | Calvin Hemery | 203 | 7 | |
| France | Tristan Lamasine | 206 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Eduardo Dischinger
Marcin Gawron
Vadym Ursu| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Richèl Hogenkamp | 122 | 1 | ||
 Italy | Alberta Brianti | 197 | 2 | |
| Lesley Kerkhove | 217 | 3 | ||
| France | Chloé Paquet | 250 | 4 | |
| Arantxa Rus | 254 | 5 | ||
 Serbia | Ivana Jorović | 270 | 6 | |
 Czech Republic | Jesika Malečková | 289 | 7 | |
| Italy | Gioia Barbieri | 292 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Laëtitia Sarrazin
Zoë Gwen Scandalis Anastasia Smirnova
Iana Tishchenko
Natália VajdováSee main article: 2015 TEAN International – Men's singles.
Damir Džumhur def. Igor Sijsling 6–1, 2–6, 6–1 Marie Benoît def. Tena Lukas 5–7, 6–3, 6–4See main article: 2015 TEAN International – Men's doubles.
Victor Hănescu / Adrian Ungur 7–6(7–1), 4–6, [10–7] Quirine Lemoine / Eva Wacanno def. Lesley Kerkhove / Arantxa Rus 3–6, 6–4, [10–7]