# 2003 NCAA Division I men's tennis championships

The 2003 NCAA Division I men's tennis championships were the 57th annual championships hosted by the NCAA to determine the individual, doubles, and team national champions of men's collegiate tennis among its Division I member programs in the United States, held at the end of the 2002 NCAA Division I tennis season.
Illinois defeated Vanderbilt in the championship final, 4–3, to claim their first national title. This aided the Illini in winning the team, singles, and doubles NCAA tennis titles during the season.

## Host sites

This year's tournaments were played at the Dan Magill Tennis Complex at the University of Georgia in Athens, Georgia.
The men's and women's tournaments would not be held at the same site until 2006.

## Brackets
### Team

| First round | First round | First round | Second round | Second round | Second round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Championship | Championship | Championship |
| Butler | Butler | 0 | | | | | | | | | | | | | | | |
| Illinois | Illinois | 4 | Illinois | Illinois | 4 | | | | | | | | | | | | |
| Ball State | Ball State | 0 | Clemson | Clemson | 0 | | | | | | | | | | | | |
| Clemson | Clemson | 4 | | | | Illinois | Illinois | 4 | | | | | | | | | |
| American | American | 0 | | | | Washington | Washington | 2 | | | | | | | | | |
| Washington | Washington | 4 | Washington | Washington | 4 | | | | | | | | | | | | |
| San Diego | San Diego | 0 | San Diego State | San Diego State | 3 | | | | | | | | | | | | |
| San Diego State | San Diego State | 5 | | | | | | | Illinois | Illinois | 4 | | | | | | |
| Duke | Duke | 4 | | | | | | | Ole Miss | Ole Miss | 0 | | | | | | |
| High Point | High Point | 0 | Duke | Duke | 4 | | | | | | | | | | | | |
| Brown | Brown | 3 | Wake Forest | Wake Forest | 0 | | | | | | | | | | | | |
| Wake Forest | Wake Forest | 4 | | | | Duke | Duke | 2 | | | | | | | | | |
| College of Charleston | College of Charleston | 0 | | | | Ole Miss | Ole Miss | 4 | | | | | | | | | |
| Ole Miss | Ole Miss | 4 | Ole Miss | Ole Miss | 4 | | | | | | | | | | | | |
| Auburn | Auburn | 4 | Auburn | Auburn | 0 | | | | | | | | | | | | |
| Georgia Tech | Georgia Tech | 3 | | | | | | | | | | Illinois | Illinois | 4 | | | |
| California | California | 4 | | | | | | | | | | Stanford | Stanford | 2 | | | |
| Sacramento State | Sacramento State | 0 | California | California | 4 | | | | | | | | | | | | |
| Arizona | Arizona | 1 | Boise State | Boise State | 1 | | | | | | | | | | | | |
| Boise State | Boise State | 4 | | | | California | California | 4 | | | | | | | | | |
| Hampton | Hampton | 0 | | | | Ohio State | Ohio State | 0 | | | | | | | | | |
| Kentucky | Kentucky | 4 | Kentucky | Kentucky | 3 | | | | | | | | | | | | |
| Arkansas | Arkansas | 0 | Ohio State | Ohio State | 4 | | | | | | | | | | | | |
| Ohio State | Ohio State | 4 | | | | | | | California | California | 0 | | | | | | |
| Oral Roberts | Oral Roberts | 0 | | | | | | | Stanford | Stanford | 4 | | | | | | |
| Stanford | Stanford | 4 | Stanford | Stanford | 4 | | | | | | | | | | | | |
| Arizona State | Arizona State | 2 | Fresno State | Fresno State | 0 | | | | | | | | | | | | |
| Fresno State | Fresno State | 4 | | | | Stanford | Stanford | 4 | | | | | | | | | |
| Southern | Southern | 0 | | | | Tulane | Tulane | 0 | | | | | | | | | |
| Tulane | Tulane | 4 | Tulane | Tulane | 4 | | | | | | | | | | | | |
| LSU | LSU | 2 | South Alabama | South Alabama | 0 | | | | | | | | | | | | |
| South Alabama | South Alabama | 4 | | | | | | | | | | | | | Illinois | Illinois | 4 |
| Baylor | Baylor | 4 | | | | | | | | | | | | | Vanderbilt | Vanderbilt | 3 |
| Texas–Arlington | Texas–Arlington | 3 | Baylor | Baylor | 4 | | | | | | | | | | | | |
| SMU | SMU | 1 | TCU | TCU | 0 | | | | | | | | | | | | |
| TCU | TCU | 4 | | | | Baylor | Baylor | 4 | | | | | | | | | |
| Alabama | Alabama | 4 | | | | Alabama | Alabama | 1 | | | | | | | | | |
| Marist | Marist | 0 | Alabama | Alabama | 4 | | | | | | | | | | | | |
| Harvard | Harvard | 4 | Harvard | Harvard | 0 | | | | | | | | | | | | |
| VCU | VCU | 3 | | | | | | | Baylor | Baylor | 0 | | | | | | |
| Tennessee Tech | Tennessee Tech | 1 | | | | | | | Vanderbilt | Vanderbilt | 4 | | | | | | |
| Vanderbilt | Vanderbilt | 4 | Vanderbilt | Vanderbilt | 4 | | | | | | | | | | | | |
| Pepperdine | Pepperdine | 4 | Pepperdine | Pepperdine | 2 | | | | | | | | | | | | |
| Mississippi State | Mississippi State | 1 | | | | Vanderbilt | Vanderbilt | 4 | | | | | | | | | |
| Texas A&M | Texas A&M | 4 | | | | Texas A&M | Texas A&M | 1 | | | | | | | | | |
| UMBC | UMBC | 0 | Texas A&M | Texas A&M | 4 | | | | | | | | | | | | |
| Georgia | Georgia | 0 | South Florida | South Florida | 1 | | | | | | | | | | | | |
| South Florida | South Florida | 4 | | | | | | | | | | Vanderbilt | Vanderbilt | 4 | | | |
| Florida | Florida | 4 | | | | | | | | | | UCLA | UCLA | 3 | | | |
| UCF | UCF | 0 | Florida | Florida | 4 | | | | | | | | | | | | |
| Florida State | Florida State | 4 | Florida State | Florida State | 0 | | | | | | | | | | | | |
| Miami (FL) | Miami (FL) | 2 | | | | Florida | Florida | 4 | | | | | | | | | |
| St. Bonaventure | St. Bonaventure | 0 | | | | Texas | Texas | 3 | | | | | | | | | |
| Texas | Texas | 5 | Texas | Texas | 4 | | | | | | | | | | | | |
| Rice | Rice | 4 | Rice | Rice | 3 | | | | | | | | | | | | |
| South Carolina | South Carolina | 2 | | | | | | | Florida | Florida | 1 | | | | | | |
| UCLA | UCLA | 4 | | | | | | | UCLA | UCLA | 4 | | | | | | |
| Wichita State | Wichita State | 0 | UCLA | UCLA | 4 | | | | | | | | | | | | |
| UC Santa Barbara | UC Santa Barbara | 0 | USC | USC | 0 | | | | | | | | | | | | |
| USC | USC | 4 | | | | UCLA | UCLA | 4 | | | | | | | | | |
| Binghamton | Binghamton | 0 | | | | Oklahoma State | Oklahoma State | 0 | | | | | | | | | |
| Minnesota | Minnesota | 4 | Minnesota | Minnesota | 2 | | | | | | | | | | | | |
| North Carolina | North Carolina | 0 | Oklahoma State | Oklahoma State | 4 | | | | | | | | | | | | |
| Oklahoma State | Oklahoma State | 4 | | | | | | | | | | | | | | | |