HIGHLIGHTS-Tennis-French Open day one

Highlights of Sunday's opening day of the French Open, the second grand slam tournament of the year (all times GMT): 1022 KERBER UPSET IN STRAIGHT SETS

Fifth seed Angelique Kerber was knocked out in the opening round 6-4 6-2 by Russia's Anastasia Potapova, who is in the main draw for the first time. Potapova took 73 minutes to dismantle her opponent for the first top-10 victory of her career.

PLAY UNDERWAY AT ROLAND GARROS (0900 GMT) Play got underway on schedule under sunny skies at 11 a.m. local time (0900 GMT) with the temperature hovering at the 18 degrees Celsius mark and a forecast high of 22C.

READ MORE French Open order of play on Sunday

Federer returns on opening day at Roland Garros Djokovic ready to fire at Roland Garros as Grand Slam landmark beckons

Nadal not bothered by the change in surroundings at Roland Garros Halep to start French Open title defence with no extra pressure

Rested and recovered, Andreescu relishing French Open debut French tennis surrounded by gloom ahead of Roland Garros

FACTBOX-Lorenzo Sonego v Roger Federer