1988 OTB Open – Men's Singles

Jaime Yzaga was the defending champion, but did not participate this year. Tim Mayotte won the tournament, beating Johan Kriek in the final, 5–7, 6–3, 6–2.

Source: Wikipedia DBpedia

What is 1988 OTB Open – Men's Singles subject of?

1988 OTB Open – Men's Singles is subject of 1988 Grand Prix (tennis) and OTB Open.