2020 Split Open

The 2020 Split Open was a professional tennis tournament played on clay courts. It was part of the 2020 ATP Challenger Tour. It took place in Split, Croatia between 28 September and 4 October 2020.

Seeds

 * Rankings are as of 21 September 2020.

Other entrants
The following players received wildcards into the singles main draw:
 * Duje Ajduković
 * Borna Gojo
 * Nino Serdarušić

The following player received entry into the singles main draw as a special exempt:
 * 🇦🇷 Tomás Martín Etcheverry

The following player received entry into the singles main draw using a protected ranking:
 * 🇩🇪 Maximilian Marterer

The following players received entry from the qualifying draw:
 * Marcelo Tomás Barrios Vera
 * 🇹🇷 Altuğ Çelikbilek
 * 🇹🇳 Malek Jaziri
 * 🇷🇸 Peđa Krstin

Singles

 * 🇦🇷 Francisco Cerúndolo def. Pedro Sousa 4–6, 6–3, 7–6(7–4).

Doubles

 * Treat Huey / 🇺🇸 Nathaniel Lammons def. 🇸🇪 André Göransson / 🇺🇸 Hunter Reese 6–4, 7–6(7–3).