1150
Ivanisevic hit 32 aces but was outplayed from the back court by the 24-year-old Tillstrom .
 Tillstrom, Ivanisevic
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Tillstrom, Ivanisevic