What is the surname of the person the Czech winner of 12 Grand Slam doubles titles and four Grand Slam mixed doubles titles defeat in the 1998 wimbledon women's singles semifinals?
1998 Wimbledon Championships – Women's Singles Martina Hingis was the defending champion, but she was defeated by Jana Novotná in the semifinals in a rematch of last year's final.
Graf–Navratilova rivalry Steffi Graf and Martina Navratilova met 18 times during their careers. Their overall head-to-head series is tied 9–9, with Graf having a 4–2 record in Grand Slam finals and Navratilova having a 5–4 record in Grand Slam matches winning the last Grand Slam match between the two of them despite being 34 at the time. Both appeared in 3 consecutive Wimbledon Singles finals (1987–89) and thrilled the fans with their enthralling tennis.