Andy Murray avoided the fate of fellow world number one Angelique Kerber by coming through his first-round match at the French Open in four sets.
The Briton beat Russia's Andrey Kuznetsov 6-4 4-6 6-2 6-0.
Defeat for Murray would have seen both top seeds exit a Grand Slam in round one for the first time in the open era.
Fellow Briton Johanna Konta earlier lost to world number 109 Hsieh Su-Wei, while Kyle Edmund takes on Gastao Elias.
Murray goes on to face Slovakia's Martin Klizan, the world number 50.
More to follow