Nicolás Massú

Nicolás Alejandro Massú Fried, nicknamed El Vampiro, is a Chilean former professional tennis player and a coach. A former world No. 9 in singles, he won the singles and doubles gold medals at the 2004 Athens Olympics. He is the only man to have won both gold medals at the same Games since the re-introduction of Olympic tennis in 1988, and they are Chile's only two Olympic gold medals. Massú also reached the final of the 2003 Madrid Masters and won six singles titles. He was the coach of 2020 US Open champion and former world No. 3 Dominic Thiem from 2019 to 2023.

10 October 1979

Born on the same birth date (10 October 1979): Hitomi Sato (actress) • Kangta • Mya (singer)

Born on the same birth day (10 October): Adlai Stevenson III • Alfred Neuland • Assi Cohen • Bart Brentjens • Ezequiel Garay • Gabriella Cilmi • Harry Smith (footballer, born 1932) • Jean-Baptiste Grange • Johann Nicolaus Bach • Kangta • Michael Giacchino • Mike Tobey • Robert Gould Shaw • Rodjun Cruz • Shaun Fensom • Shawn Jamison • T. Frank Appleby • Thelonious Monk

Born in the same month (October 1979): Blue Adams • David Di Tommaso • Kristanna Loken • Martin Škoula • Māris Verpakovskis • Paul Terek • Prabhas • Rosa Mendes • Ryan Pontbriand • Steve Borthwick