The tennis tournaments at the Rio Olympics continue Tuesday, with the men’s and women’s singles and men’s and women’s doubles all having matches on the schedule. The most notable name: Serena Williams, who faces Ukraine’s Elina Svitolina in a third round women’s singles match. Williams is one of two American women still alive in the singles competition, with Madison Keys being the other. Keys’ match against Carla Suarez Navarro of Spain begins the action, with the first serve scheduled for 9:45 a.m. Eastern.
WATCH LIVE: Madison Keys vs. Carla Suarez Navarro -- 9:45 a.m. Eastern
WATCH LIVE: Serena Williams vs. Elina Svitolina -- 5:45 p.m. Eastern
In men’s singles Rafael Nadal is still in the running for a medal, as he takes on Italy’s Andreas Seppi in a second round matchup. The United States still has a player in the field, with Steve Johnson meeting Portugal’s Gastao Elias in the second round. Tuesday will be a busy day for Johnson, who also has a doubles match with partner Jack Sock against Spain’s David Ferrer and Roberto Bautista Agut.
WATCH LIVE: Rafael Nadal vs. Andreas Seppi -- 2 p.m. Eastern
WATCH LIVE: Tennis, Day Four -- 9:45 a.m. Eastern
There will be matches throughout the day on NBCOlympics.com and on the NBC Sports app.