Career
During her career Bakker played in three of the four Grand Slam tournaments, namely the Australian Open, Wimbledon and the United States Open. Her most successful Grand Slam was Wimbledon where she reached the third round of the singles event in 1968, 1970, and 1971. Her best doubles result was reaching the quarterfinal of the 1968 Australian Open.
She also reached the final of the singles event which she lost to Nell Truman.
Doubles (2 runner-ups).