GC
The basics
Quick facts
Intro
Monegasque tennis player
Gender:
Male
Places:
Work field:
Birth:
10 December 1975(Laxou)
The details
Biography
Introduction
Guillaume Couillard (born 10 December 1975) is a professional Monegasque tennis player.
Tennis career
Couillard reached his career-high ATP Tour singles ranking of World No. 569 in October 2002. He primarily plays on the Futures circuit and the Challenger circuit.
Couillard is a member of the Monegasque Davis Cup team since 2002, having posted a 14–10 record in singles and a 13–10 record in doubles in thirty-five ties played.
In 2013, Couillard and Benjamin Balleret played the longest professional tiebreak in known tennis history, lasting 70 points (34–36). Couillard lost the match 6–7(34), 1–6 in the third qualifying round for the USA F1 Futures in Plantation, Florida.
Tour singles finals – all levels (0–2)
| Legend (Singles) |
| Grand Slam (0–0) |
| Tennis Masters Cup (0–0) |
| ATP Masters Series (0–0) |
| ATP Tour (0–0) |
| Challengers (0–0) |
| Futures (0–2) |
| Outcome | No. | Date | Tournament | Surface | Opponent in the final | Score |
| Runner-up | 1. | June 17, 2002 | Kigali, Rwanda | Clay |  Gwenael Gueit | 0–2, RET. |
| Runner-up | 2. | February 23, 2004 | Benin, Nigeria | Hard |  Valentin Sanon | 6–1, 6–7, 6–7 |