The tournament was a single elimination competition with a bronze-medal match. The competition was played on
hard courts as the
best-of-three sets in every match until the gold medal game, which was held to the best-of-five sets.
Round 1 The draw for the first round of the championship was made on 12 August in Building H of the Athens 2004 Conference Room at ATHOC Headquarters. The first round of the competition, in which 64 players participated, took place from 15 to 16 August. Henman, a silver medallist in the
1996 Olympic doubles event, was the highest placed seed to lose in the first round when he lost to world number 27
Jiří Novák 6–3, 6–3 due to an inconsistent and error-prone play in a 68-minute match that took place in blustery weather.
Marat Safin, a seeded player regarded as one who was in danger of elimination, won the first set of his match against
Karol Kučera within 20 minutes. After Kučera played less cautiously in the second set, a break in the fifth game saw Safin claim a 6–0, 6–4 victory. Moyá, the
1998 French Open champion, took almost three hours and a total of five match points in the final two sets of his game against
Thomas Enqvist to win 7–6, 6–7, 9–7.
Paradorn Srichaphan, the 12th seed, was upset by Joachim Johansson in a 6–3, 6–3 straight sets defeat, and another upset victory occurred when the 13th seed
Andrei Pavel lost to
Ivo Karlović. Federer took 1¾ hours to defeat
Nikolay Davydenko 6–3, 5–7, 6–1. He received an official warning for
ball abuse when he struck the
ball onto the roof of the centre court in frustration over his play in the second set.
Round 2 The second round occurred on 17 August. Unseeded player and world number 49
Mardy Fish came from one set and a break point behind to claim a 4–6, 7–6 (7-5), 6–4 victory over former world number one
Juan Carlos Ferrero. Fish said of his win, "There were a lot of Spanish people out there cheering for him. So whoever was cheering for me, I was pointing at them." Roddick made 17
aces, 30
winners and 57
unforced errors in coming back from two match points behind and defeating the 2000 silver medallist
Tommy Haas 6–4, 3–6, 9–7 in a 2-hour and 19 minute match. Federer was the highest ranked player to lose in the second round when world number 74
Tomáš Berdych beat him 4–6, 7–5, 7–5 due to a poor serve and a series of unforced errors. Berdych said of the victory, "It was everything. This guy won Wimbledon and the Australian Open and now you are the player who beats him. Unbelievable." Moyá defeated
Olivier Rochus 6–0, 7–6 and tenth seed
Nicolás Massú won 7–6, 6–2 over
Vince Spadea. ==Schedule==