Question: Does Nicolas Mahut or Elena Bovina have the highest career singles world ranking?
Sentence (from "Elena Bovina"): Her best performance at a Grand Slam came when she got to the quarter finals of the 2002 US Open, defeating Clarisa Fernández, Jelena Dokic, Stéphanie Foretz and Francesca Schiavone before losing to Lindsay Davenport.
Relevant evidence: No