How many ATP and ILTF singles titles did Vilas win in 1977?
21
19
23
20
Answer
Vilas won 21 titles in 1977, including 16 ATP singles titles and 5 ILTF singles titles. He had a remarkable season, winning 13 consecutive tournaments at one point. His success was largely due to his aggressive baseline play and his ability to adapt to different court surfaces.
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