2021 Ubung Open – Singles

This was the second edition of the event. A total of 95 players competing. Lonus Varalin is the defending champion.

Seeds
• # Lonus Varalin (CEN)

• # Ardil Navsal (CEN)

• # Fiorenzo Tartoni (SOR)

• # Valentina Spetsova (TJU)

• # Ngurah Putra Muliawan (PCU)

• # Andrew Simmons (ETM)

• # Dewa Putu Adrian Putra (PCU)

• # Mindy Waterford (KHD)

• # Ricardo Toli (BRI)

• # Jean van de Kloor (TJU)

• # Janet Riley (ETM)

• # Vladimir Mikhailov (WSN)

• # Jeff Rogers (GRU)

• # Dioro Hansil (CEN)

• # Georg Heraklit (PUG)

• # Joe Katsi (TJU)

Keys

 * Q = Qualifiers
 * WC = Wild card