Dominic Thiem was booted out of his own press conference so that Roland Garros organisers could accommodate Serena Williams.
Three-time Roland Garros champion Serena Williams was attempting to equal Margaret Court's record of 24 majors.
World number ones Novak Djokovic and Naomi Osaka as well as three-time champion Serena Williams target the second week and places in the last 16 at French Open.
Naomi Osaka held her nerve, despite squandering two match points late in the deciding set, to secure a clash against Katerina Siniakova of the Czech Republic.
Serena Williams walked on to the court wearing a superhero cape during her first round French Open match.
Serena Williams survived a first-set scare before defeating Russia's Vitalia Diatchenko to reach the second round.
Novak Djokovic faces Poland's Hubert Hurkacz, who has had an excellent 2019 so far, rising to 43rd in the rankings after runs to the last 16 in Madrid and the Indian Wells quarter-finals.
Rafael Nadal is chasing a 12th French Open title while 2009 champion Roger Federer is playing in the tournament for the first time since 2015.
Serena Williams heads into this year's French Open with questions surrounding her fitness while Naomi Osaka needs to rediscover her best form to solidify her position at the top of the women's game.
Alexander Zverev extended his terrible clay-court run, falling 7-5, 7-5 to Italian wild card Matteo Berrettini in the second round.
The 23-time Grand Slam champion's withdrawal comes a day after she beat Sweden's Rebecca Peterson.
Serena Williams made a winning return from injury beating Swedish qualifier Rebecca Petersen 6-4, 6-2 to advance to the second round.
Miami Open: Hsieh Su-Wei battled back from being a set down to beat Naomi Osaka 4-6, 7-6 (7/4), 6-3.
Nocak Djokovic progresses to the Miami Open third round with a ruthless 7-6 (7/2), 6-2 destruction of Australian Bernard Tomic.
Serena Williams beat Victoria Azarenka 7-5, 6-3 in an electrifying Indian Wells clash of former world number ones.
Rafael Nadal proposed to Mery Perello for marriage and soon, the two will tie the knot.
Naomi Osaka said she was not satisfied with back-to-back majors Sunday and hoped to complete a "Naomi Slam".
Serena Williams' bid for her 24th Grand Slam title was brought to a shuddering halt by Karolina Pliskova.