2018 Internazionali di Tennis Castel del Monte

The 2018 Internazionali di Tennis Castel del Monte was a professional tennis tournament played on indoor carpet courts. It was the sixth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Andria, Italy between November 19 and November 25, 2018.

Seeds

 * 1 Rankings are as of 12 November 2018.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇮🇹 Liam Caruana
 * 🇮🇹 Julian Ocleppo
 * 🇮🇹 Andrea Pellegrino
 * 🇮🇹 Jannik Sinner

The following player received entry into the singles main draw as an alternate:
 * 🇮🇹 Alessandro Bega

The following players received entry from the qualifying draw:
 * 🇮🇹 Lorenzo Frigerio
 * 🇺🇦 Illya Marchenko
 * 🇧🇦 Aldin Šetkić
 * 🇩🇪 Tobias Simon

The following players received entry as lucky losers:
 * 🇦🇹 Alexander Erler
 * Marc-Andrea Hüsler

Singles

 * 🇫🇷 Ugo Humbert def. 🇮🇹 Filippo Baldi 6–4, 7–6(7–3).

Doubles

 * 🇵🇱 Karol Drzewiecki / 🇵🇱 Szymon Walków def. Marc-Andrea Hüsler /  David Pel 7–6(12–10), 2–6, [11–9].