Wiltrud Probst won two individual tournaments on the WTA Tour. In 1990 she won the tournament in Wellington, New Zealand by a final victory against Leila Meskhi. In 1992 she won the Belgian Open in Waregem against her compatriot Meike Babel in the final. Your most successful Grand Slam tournament she played in 1990, when they reached the second round at the French Open, where she defeated the number 10 in the world rankings, the Spaniard Conchita Martínez.
1990 Wiltrud Probst played for Germany in the Federation Cup and 1998 in its successor, the Fed Cup. It was used three times in a double, but these games were all lost.