| Date | ATP Tour / Davis Cup | Challengers |
| 1/1/1990 | Wellington $125K Adelaide $125K | |
| 1/8/1990 | ||
| 1/15/1990 | Australian Open $1,462K | Jakarta $25K |
| 1/22/1990 | Heilbronn $50K | |
| 1/29/1990 | ||
| 2/5/1990 | Milan $540K Guaruja $125K San Francisco $225K | Telford $50K |
| 2/12/1990 | ||
| 2/19/1990 | Stuttgart Indoor $825K Philadelphia $825K | Nairobi $25K |
| 2/26/1990 | Cairo $100K | |
| 3/5/1990 | Indian Wells $750K Casablanca $125K | Martinique $50K |
| 3/12/1990 | Key Biscayne $1,200K | Agadir $75K |
| 3/19/1990 | ||
| 3/26/1990 | ||
| 4/2/1990 | Estoril $225K Rio De Janeiro $225K Orlando $225K | Zaragoza $50K |
| 4/9/1990 | San Luis Potosi $100K | |
| 4/16/1990 | Oporto $100K Mexico City $100K Durban $50K | |
| 4/23/1990 | Monte Carlo $750K Hong Kong $185K | |
| 4/30/1990 | Tampa $50K | |
| 5/7/1990 | Hamburg $750K Kiawah Island $197K | Ljubljana $50K Kuala Lumpur $50K |
| 5/14/1990 | Bangkok $25K | |
| 5/21/1990 | Bologna $225K | |
| 5/28/1990 | French Open $2,700K | Furth $50K |
| 6/4/1990 | ||
| 6/11/1990 | Rosmalen $225K Queen's Club $450K Florence $225K | |
| 6/18/1990 | Manchester $225K Genova $225K | |
| 6/25/1990 | Wimbledon $2,670K | Turin $50K |
| 7/2/1990 | Salou $75K | |
| 7/9/1990 | ||
| 7/16/1990 | Stuttgart Outdoor $825K Washington $420K | |
| 7/23/1990 | Canadian Open $930K Hilversum $215K | |
| 7/30/1990 | San Remo $225K Kitzbuhel $337K Los Angeles $225K | |
| 8/6/1990 | Cincinnati $1,020K Prague $148K | |
| 8/13/1990 | New Haven $825K Indianapolis $825K | |
| 8/20/1990 | San Marino $125K Schenectady $125K Long Island $225K | Geneva $50K |
| 8/27/1990 | U.S. Open $2,554K | Verona $50K |
| 9/3/1990 | ||
| 9/10/1990 | ||
| 9/17/1990 | ||
| 9/24/1990 | Thessaloniki $50K Bogota $50K | |
| 10/1/1990 | Toulouse $260K Sydney Indoor $750K Athens $125K | |
| 10/8/1990 | Tokyo Indoor $750K | Curitiba $50K Casablanca $50K |
| 10/15/1990 | Ilheus $75K Ponte Vedra $50K | |
| 10/22/1990 | Brest $75K | |
| 10/29/1990 | Paris Indoor $1,650K | Rio De Janeiro $75K Bergen $100K |
| 11/5/1990 | ||
| 11/12/1990 | ATP Tour World Championship $2,020K | |
| 11/19/1990 | ||
| 11/26/1990 | Munich $50K Bossonnens $50K | |
| 12/3/1990 | Guam $25K | |
| 12/10/1990 | ||
| 12/17/1990 | Hong Kong $25K | |
| 12/24/1990 |