Winnetka CH 1998 ATP
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Geoff Grant | m. | Diego Nargiso | 5-7 6-3 7-5 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Geoff Grant | m. | Scott Humphries | 7-6 6-4 |
| Diego Nargiso | m. | David Wheaton | 7-5 6-2 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Geoff Grant | m. | Lleyton Hewitt | 6-1 7-6 |
| Scott Humphries | m. | Takao Suzuki | 6-0 3-6 7-5 |
| David Wheaton | m. | Mark Knowles | 6-0 3-6 6-2 |
| Diego Nargiso | m. | Andre Sa | 6-4 7-6 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Lleyton Hewitt | m. | Chris Groer | 6-1 6-2 |
| Geoff Grant | m. | Michael Russell | 6-4 6-4 |
| Scott Humphries | m. | Ben Ellwood | 6-7 6-1 6-3 |
| Takao Suzuki | m. | Cristiano Caratti | 4-6 7-6 6-4 |
| David Wheaton | m. | David Nainkin | 6-4 6-2 |
| Mark Knowles | m. | Wade Mcguire | 6-2 6-3 |
| Andre Sa | m. | Mauricio Hadad | 5-5 RET |
| Diego Nargiso | m. | Mashiska Washington | 6-2 6-1 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Chris Groer | m. | Leander Paes | 6-4 6-2 |
| Lleyton Hewitt | m. | Noam Behr | 6-1 5-7 6-4 |
| Michael Russell | m. | James Blake | 6-4 4-6 6-3 |
| Geoff Grant | m. | Justin Bower | 6-4 3-6 6-4 |
| Scott Humphries | m. | Brian Macphie | 7-5 6-3 |
| Ben Ellwood | m. | Mark Draper | 2-6 6-4 6-4 |
| Takao Suzuki | m. | Jean Francois Bachelot | 4-6 7-5 7-6 |
| Cristiano Caratti | m. | Gouichi Motomura | 6-2 6-4 |
| David Wheaton | m. | Michael Sell | 7-6 6-3 |
| David Nainkin | m. | Oren Motevassel | 4-6 6-4 6-3 |
| Wade Mcguire | m. | David Witt | 6-2 6-4 |
| Mark Knowles | m. | Alex Obrien | 7-6 2-6 6-4 |
| Andre Sa | m. | Patrick McEnroe | 6-4 6-4 |
| Mauricio Hadad | m. | Antony Dupuis | 6-7 6-3 6-0 |
| Mashiska Washington | m. | Maurice Ruah | 6-3 6-4 |
| Diego Nargiso | m. | Max Mirnyi | 7-6 7-6 |