Cincinnati 1988 • ATP Masters 1000 — Undhian
15 — 21 august
- ASx25
- Australiax7
- Swediax6
- Argentinax3
- Afrika Kidulx3
- Rusiax3
- Meksikox2
- Austriax1
- Bahamax1
- Belgiax1
- Kanadax1
- Chilix1
- Republik Cekox1
- Ekuadorx1
- Britania Rayax1
- Jermanx1
- Indiax1
- Kenyax1
- Walandax1
- Selandia Anyarx1
- Swissx1
- Slowakiax1
- ASx11
- Australiax5
- Swediax5
- Afrika Kidulx2
- Argentinax1
- Kanadax1
- Republik Cekox1
- Ekuadorx1
- Indiax1
- Kenyax1
- Walandax1
- Rusiax1
- Swissx1
- ASx7
- Swediax3
- Australiax2
- Kanadax1
- Ekuadorx1
- Afrika Kidulx1
- Swissx1
- Swediax3
- ASx3
- Australiax1
- Swissx1