Rafael Nadal saw off the threat of Novak Djokovic for another year to win his ninth French Open title and a record fifth in succession.
The Spaniard, 28, coped better in hot conditions as he won 3-6 7-5 6-2 6-4 in three hours and 31 minutes.
Nadal is the first man ever to win a major title nine times, taking his Grand Slam total to 14.
The victory also means he will remain world number one ahead of Djokovic.
Both men were having to work hard in temperatures of around 27C, and Djokovic was the first to ask for iced towels to wrap around his neck at the changeovers.
Nadal finally made his move when he broke for 4-2, only to lose his advantage straight away as the nervous errors returned in the following game.
Djokovic had won their last four matches but taking on Nadal in a five-set contest on Court Philippe Chatrier is a very different kind of test.
The 27-year-old Serb faltered badly with a tie-break in sight, offering up a double fault and a forehand error before Nadal smacked a forehand winner to level the score.
It was a huge blow to Djokovic’s hopes and he faded further in the third set.
After dumping a straightforward volley in the net to lose serve in game two, the second seed took some tablets at a changeover in an attempt to improve his condition.
Nadal scented victory once again, breaking twice on his way to the set and leaving Djokovic to stare in disbelief at coach Boris Becker in the stands after one error.
With cloud cover giving Djokovic some respite from the sun, he was showing signs of launching a renewed assault only to falter with his opponent under pressure.
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