ATP Challenger Series 1990
The following table shows the tournaments of the 1990 ATP Challenger Series professional men's tennis season . It consisted of 71 tournaments with a purse of $ 25,000 to $ 100,000. It was the 13th edition of the Challenger tournament cycle.
Tournament schedule
January
| Date 1 | place | competition | Prize money | Draw | Topping 2 | Winner  singles  | 
Winner  double  | 
|---|---|---|---|---|---|---|---|
| 15.01. | 
 | 
Jakarta Challenger I | $ 25,000 | 32E / 16D | sand | 
 | 
 | 
| 22.01. | 
 | 
Heilbronn Challenger | $ 50,000 | 32E / 16D | Carpet (i) | 
 | 
 | 
February
| Date 1 | place | competition | Prize money | Draw | Topping 2 | Winner  singles  | 
Winner  double  | 
|---|---|---|---|---|---|---|---|
| 05.02. | 
 | 
Telford Challenger | $ 50,000 | 32E / 16D | Carpet (i) | 
 | 
 | 
| 02/12 | 
 | 
Croydon Challenger | $ 50,000 | 32E / 16D | Carpet (i) | 
 | 
 | 
| 
 | 
São Paulo Challenger I | $ 50,000 | 32E / 16D | sand | 
 | 
 | 
|
| 
 | 
Nairobi Challenger I | $ 25,000 | 32E / 16D | sand | 
 | 
 | 
|
| 19.02. | 
 | 
Nairobi Challenger II | $ 25,000 | 32E / 16D | sand | 
 | 
 | 
| 02/26 | 
 | 
Cairo Challenger | $ 100,000 | 32E / 16D | sand | 
 | 
 | 
March
| Date 1 | place | competition | Prize money | Draw | Topping 2 | Winner  singles  | 
Winner  double  | 
|---|---|---|---|---|---|---|---|
| 05.03. | 
 | 
Martinique Challenger | $ 50,000 | 32E / 16D | Hard court | 
 | 
 | 
| 03/12 | 
 | 
Agadir Challenger | $ 75,000 | 32E / 16D | sand | 
 | 
 | 
| 26.03. | 
 | 
Estoril Challenger | $ 100,000 | 32E / 16D | sand | 
 | 
 | 
| 
 | 
Jerusalem Challenger | $ 50,000 | 32E / 16D | Hard court | 
 | 
 | 
April
May
| Date 1 | place | competition | Prize money | Draw | Topping 2 | Winner  singles  | 
Winner  double  | 
|---|---|---|---|---|---|---|---|
| 07.05. | 
 | 
Kuala Lumpur Challenger | $ 50,000 | 32E / 16D | Hard court | 
 | 
 | 
| 
 | 
Ljubljana Challenger | $ 50,000 | 32E / 16D | sand | 
 | 
 | 
|
| 14.05. | 
 | 
Bangkok Challenger | $ 25,000 | 32E / 16D | Hard court | 
 | 
 | 
| 05/28 | 
 | 
Fürth Challenger | $ 50,000 | 32E / 16D | sand | 
 | 
 | 
June
| Date 1 | place | competition | Prize money | Draw | Topping 2 | Winner  singles  | 
Winner  double  | 
|---|---|---|---|---|---|---|---|
| 25.06. | 
 | 
Turin Challenger | $ 50,000 | 32E / 16D | sand | 
 | 
 | 
July
August
| Date 1 | place | competition | Prize money | Draw | Topping 2 | Winner  singles  | 
Winner  double  | 
|---|---|---|---|---|---|---|---|
| 06.08. | 
 | 
Knokke Challenger | $ 50,000 | 32E / 16D | sand | 
 | 
 | 
| 
 | 
São Paulo Challenger II | $ 50,000 | 32E / 16D | sand | 
 | 
 | 
|
| 
 | 
Jakarta Challenger II | $ 25,000 | 32E / 16D | Hard court | 
 | 
 | 
|
| 08/13 | 
 | 
Salzburg Challenger | $ 100,000 | 32E / 16D | sand | 
 | 
 | 
| 
 | 
Brasília Challenger II | $ 75,000 | 64E / 32D | Hard court | 
 | 
 | 
|
| 
 | 
Pescara Challenger | $ 50,000 | 32E / 16D | sand | 
 | 
 | 
|
| 08/20 | 
 | 
Geneva Challenger | $ 50,000 | 32E / 16D | sand | 
 | 
 | 
| 08/27 | 
 | 
Verona Challenger | $ 50,000 | 32E / 16D | sand | 
 | 
 | 
September
October
November
| Date 1 | place | competition | Prize money | Draw | Topping 2 | Winner  singles  | 
Winner  double  | 
|---|---|---|---|---|---|---|---|
| 11/12 | 
 | 
The Hague Challenger | $ 100,000 | 32E / 16D | Carpet (i) | 
 | 
 | 
| 
 | 
São Paulo Challenger III | $ 50,000 | 32E / 16D | sand | 
 | 
 | 
|
| 
 | 
Tasmania Challenger | $ 25,000 | 32E / 16D | race | 
 | 
 | 
|
| 11/26 | 
 | 
Bossonnen's Challenger | $ 50,000 | 32E / 16D | Hard court (i) | 
 | 
 | 
| 
 | 
Munich Challenger | $ 50,000 | 32E / 16D | Carpet (i) | 
 | 
 | 
December
| Date 1 | place | competition | Prize money | Draw | Topping 2 | Winner  singles  | 
Winner  double  | 
|---|---|---|---|---|---|---|---|
| 03.12. | 
 | 
Guam Challenger | $ 25,000 | 32E / 16D | Hard court | 
 | 
 | 
| 17.12. | 
 | 
Hong Kong Challenger | $ 25,000 | 32E / 16D | Hard court | 
 | 
 | 
- 1 start of the tournament (without qualification)
 - 2 The abbreviation "(i)" (= indoor) means that the tournament in question was held in a hall.