Alex O'Brien

Alex O'Brien (born 7 March 1970) is a retired tennis player from the United States. O'Brien has a career-high singles ranking of No. 30, and a career-high doubles ranking of No. 1.

O'Brien is a former world number doubles player, having briefly held the ranking from May 2000 to June 2000. Playing for the United States Davis Cup team, O'Brien has a win–loss record of 2–5.

Doubles

 * 🇶🇦 Doha (3 Jan 2000) – Mark Knowles / 🇧🇾 Max Mirnyi def. 🇺🇸 Alex O'Brien / 🇺🇸 Jared Palmer, 6–3, 6–4.

Grand Slam

 * Singles
 * Doubles