Washington 1998 • ATP 500 — Undhian
20 — 26 july
- ASx19
- Australiax6
- Afrika Kidulx4
- Belgiax3
- Italiax3
- Kanadax2
- Jermanx2
- Walandax2
- Zimbabwex2
- Argentinax1
- Armeniax1
- Brasilx1
- Kolombiax1
- Republik Cekox1
- Denmarkx1
- Spanyolx1
- Finlandiax1
- Israelx1
- Meksikox1
- Paraguayx1
- Swissx1
- Venezuelax1
- ASx11
- Afrika Kidulx4
- Australiax2
- Belgiax2
- Kanadax2
- Jermanx2
- Italiax2
- Zimbabwex2
- Armeniax1
- Brasilx1
- Walandax1
- Paraguayx1
- Venezuelax1
- ASx7
- Belgiax2
- Italiax2
- Australiax1
- Kanadax1
- Afrika Kidulx1
- Venezuelax1
- Zimbabwex1
- ASx4
- Australiax1
- Belgiax1
- Kanadax1
- Afrika Kidulx1
- ASx2
- Australiax1
- Afrika Kidulx1