TENNIS
Roger Federer and Gael Monfils resume their clash from yesterday evening at one set apiece.
The winner earns a place in the men's singles' quarter-final.
Kei Nishikori, Stan Wawrinka and home favourite Jo-Wilfried Tsonga are already there - they had comfortable victories yesterday.
Before that, Maria Sharapova takes on Lucie Safarova in the women's fourth round.
Serena Williams takes on fellow American Sloane Stephens later.
Novak Djokovic, Rafa Nadal and Andy Murray are also in action throughout the afternoon in a massive day at Roland Garros.
SOCCER
There's one game in the FAI Cup tonight as Finn Harps and Longford Town meet in a second round replay.
Gareth Harkin and Stephen Rice scored the goals in Friday's one-all draw between the sides.
Harps played most of that game with 10 men after Damien McNulty was sent off but weathered the storm to earn a home replay.
Kick-off at Finn Park is at 8pm.
RACING
It's Royal Ascot Trials Day at Naas with all eyes on the Group 3 Racing Post Lecken Stakes getting underway at 4.45.
Anthem Alexander makes her first start of the year after becoming on of racing's leading juvelines before the Winter.
Five two year-old colts go to post in the Listed Coolmore War Command Rochestown Stakes a 3.40, hoping to earn thair passage to Royal Ascot.
There are five other races at the County Kildare track, with the first going to post at 2.05