Ulises Blanch (born March 25, 1998) is an American professional tennis player. He has a career high singles ranking of No. 236 achieved on October 12, 2020 and a doubles ranking of No. 423 achieved on May 20, 2019.
As a junior, Blanch reached a career high ranking of World No. 2 achieved on 23 May 2016. His junior highlights include a final appearance at the Trofeo Bonfiglio, a GA event in Milan, Italy as well as winning a few Grade 1 level events in Brazil and Australia.
In July 2018, he won the Perugia Challenger tournament in Italy, defeating Italian Gianluigi Quinzi in the final 7–5, 6–2. A year and a half later, he won the 2020 Ann Arbor Challenger in Michigan, USA defeating Roberto Cid Subervi of the Dominican Republic 3–6, 6–4, 6–2 to capture the championship.
Blanch made his ATP Tour main draw debut at the 2020 US Open where he was granted a direct entry into the singles draw via wildcard. He was defeated in the first round in a five-set thrilling match despite taking a two sets to love lead, by Chilean player Cristian Garín 6–4, 7–5, 4–6, 4–6, 2–6.