The 2021 Tennis Napoli Cup was a professional tennis tournament played on clay courts. It was the 20th edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Naples, Italy between 4 and 10 October 2021.
Singles main-draw entrants Seeds Country Player Rank1 SeedStefano Travaglia971Andrej Martin1222Yannick Hanfmann1233Tallon Griekspoor1314Zdeněk Kolář1485Alessandro Giannessi1816Gian Marco Moroni2057Lorenzo Giustino2138 1 Rankings as of 27 September 2021.
Other entrants The following players received wildcards into the singles main draw: Matteo Arnaldi Jacopo Berrettini Luca Nardi
The following player received entry into the singles main draw using a protected ranking: Filippo Baldi
The following player received entry into the singles main draw as an alternate: Miljan Zekić
The following players received entry from the qualifying draw: Bogdan Ionuț Apostol Raúl Brancaccio Marco Miceli Julian Ocleppo
The following players received entry as lucky losers: Alexandru Jecan Petros Tsitsipas
Champions Singles
Tallon Griekspoor def. Andrea Pellegrino 6–3, 6–2.
Doubles
Dustin Brown / Andrea Vavassori def. Mirza Bašić / Nino Serdarušić 7–5, 7–6(7–5).
References