Question: Between Hana Mandlíková and Johan Kriek, who won more Grand Slam singles at the French Open?
Sentence (from "2017 Australian Open – Men's singles final"): Federer extended his record of Grand Slam men's singles titles to 18, marking the third time he broke his own all-time record, after breaking the previous record of 14, held by Pete Sampras.
Relevant evidence: No