_02_(cropped).jpg) Antonius at the 2026 US Open | |
| Country (sports) |  United States |
|---|---|
| Born | January 1, 2010 New York City, United States |
| Height | 6 ft 3 in (1.91 m) |
| Plays | Right-handed (two-handed backhand) |
| Prize money | US $60,798 |
| Singles | |
| Career record | 0–0 |
| Career titles | 2 ITF |
| Highest ranking | No. 617 (October 26, 2026) |
| Current ranking | No. 617 (October 26, 2026) |
| Grand Slam singles results | |
| US Open | Q2 (2026) |
| French Open Junior | F (2026) |
| Wimbledon Junior | 1R (2026) |
| US Open Junior | 2R (2026) |
| Doubles | |
| Career record | 0–0 |
| Career titles | 1 ITF |
| Highest ranking | No. 1,173 (April 13, 2026) |
| Current ranking | No. 1,192 (October 26, 2026) |
| Grand Slam doubles results | |
| French Open Junior | 1R (2026) |
| Wimbledon Junior | F (2026) |
| US Open Junior | QF (2025) |
| Last updated on: October 26, 2026. | |
Michael Antonius (born January 1, 2010) is an American tennis player. He has a career high ATP singles ranking of No. 617 achieved on October 26, 2026 and a career high ATP doubles ranking of 1,173 achieved on April 13, 2026.
He also has a career-high ITF junior combined ranking of No. 3 achieved on July 13, 2026.
