Wearing the fashion-forward Adidas Roland Garros Y-3 Tank and its matching black skirt, just like many players in Paris this fortnight, world No.3 Angelique Kerber suffered a first-round upset to Dutch Kiki Bertens 6-2 3-6 6-3.
The 58th-ranked Bertens continues fine form that took her all the way from qualifying and past top seed Roberta Vinci to the title in Nürnberg just ahead of Roland Garros.
The reigning Australian Open champion Kerber committed too many unforced errors in today's match, 28 to just 9 winners, while Bertens counterbalanced 36 unforced errors with 33 winners. Kerber was far too passive during the encounter and also at the net her performance was much more modest than Bertens', who won 14 out of 18 points at the net, compared to Kerber's 6 out of 15.
This marks the second time in three years in women's tennis that a Calendar Slam bid is blown away in the first round of Roland Garros — Li Na won the 2014 Australian Open and then lost to Kristina Mladenovic in the first round in Paris. As for Berrtens, the 24-year-old recorded her first Top 5 win.