# 1917 U.S. National Championships – Men's singles

Robert Lindley Murray defeated Nathaniel W. Niles 5–7, 8–6, 6–3, 6–3 in the final to win the men's singles tennis title at the 1917 U.S. National Championships. The event was held at the West Side Tennis Club in Forest Hills, New York. The tournament was renamed National Patriotic Tournament in support of the war effort. No trophies were handed out to the winners and the entrance fees were dedicated to the American Red Cross.

## Final eight

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| R. Lindley Murray | 4 | 6 | 6 | 4 | 6 | | | | | | | | | | |
| Craig Biddle | 6 | 1 | 4 | 6 | 2 | | | | | | | | | | |
| Craig Biddle | 6 | 1 | 4 | 6 | 2 | R. Lindley Murray | 4 | 6 | 6 | 6 | | | | | |
| | | | | | | John Strachan | 6 | 3 | 3 | 1 | | | | | |
| John Strachan | 6 | 2 | 6 | 6 | | John Strachan | 6 | 3 | 3 | 1 | | | | | |
| Chuck Garland | 1 | 6 | 2 | 3 | | | | | | | | | | | |
| Chuck Garland | 1 | 6 | 2 | 3 | | | | | | | R. Lindley Murray | 5 | 8 | 6 | 6 |
| | | | | | | | | | | | Nathaniel W. Niles | 7 | 6 | 3 | 3 |
| Nathaniel W. Niles | 6 | 6 | 6 | | | | | | | | | | | | | Nathaniel W. Niles | 7 | 6 | 3 | 3 |
| Clarence Griffin | 1 | 3 | 0 | | | | | | | | | | | | |
| Clarence Griffin | 1 | 3 | 0 | | | Nathaniel W. Niles | 6 | 4 | 6 | 6 | | | | | |
| | | | | | | R. Norris Williams | 2 | 6 | 4 | 3 | | | | | |
| Harold Throckmorton | 1 | 6 | 4 | 6 | 3 | R. Norris Williams | 2 | 6 | 4 | 3 | | | | | |
| R. Norris Williams | 6 | 4 | 6 | 0 | 6 | | | | | | | | | | |

### Earlier rounds
#### Section 1

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| Fixman | Fixman | w/ | o | | | | | | | | | | | | | | | | | | |
| Murray | Murray | | | Murray | Murray | 6 | 6 | | | | | | | | | | | | | | |
| Emerson | Emerson | 2 | 1 | Westfall | Westfall | 2 | 2 | | | | | | | | | | | | | | |
| Westfall | Westfall | 6 | 6 | | | | | | Murray | Murray | 3 | 6 | 6 | 6 | | | | | | | |
| Pell | Pell | 6 | 6 | | | | | | Tilden | Tilden | 6 | 4 | 3 | 3 | | | | | | | |
| Rosenbaum | Rosenbaum | 3 | 3 | Pell | Pell | 3 | 3 | | | | | | | | | | | | | | |
| Otto Salm | Otto Salm | 0 | 1 | Tilden | Tilden | 6 | 6 | | | | | | | | | | | | | | |
| Tilden | Tilden | 6 | 6 | | | | | | | | | | | | Murray | Murray | 4 | 6 | 6 | 4 | 6 |
| Mathey | Mathey | | | | | | | | | | | | | | Biddle | Biddle | 6 | 1 | 4 | 6 | 2 |
| Burrows | Burrows | w/ | o | Mathey | Mathey | 6 | 6 | | | | | | | | | | | | | | |
| Walker | Walker | 6 | 6 | Walker | Walker | 3 | 1 | | | | | | | | | | | | | | |
| Seymour | Seymour | 2 | 0 | | | | | | Mathey | Mathey | 4 | 14 | 3 | 3 | | | | | | | |
| Alexander | Alexander | 6 | 6 | | | | | | Biddle | Biddle | 6 | 12 | 6 | 6 | | | | | | | |
| Bassford | Bassford | 1 | 0 | Alexander | Alexander | 1 | 6 | 0 | | | | | | | | | | | | | |
| Biddle | Biddle | | | Biddle | Biddle | 6 | 4 | 6 | | | | | | | | | | | | | |
| Major | Major | w/ | o | | | | | | | | | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| Strachan | Strachan | | | | | | | | | | | | | | | | | | | |
| Letson | Letson | w/ | o | | Strachan | Strachan | 6 | 6 | | | | | | | | | | | | |
| Bowman | Bowman | w/ | o | | Binzen | Binzen | 1 | 1 | | | | | | | | | | | | |
| Binzen | Binzen | | | | | | | | Strachan | Strachan | 6 | 2 | 6 | 6 | | | | | | |
| MacPherson | MacPherson | | | | | | | | MacPherson | MacPherson | 1 | 6 | 0 | 3 | | | | | | |
| Harris | Harris | w/ | o | | MacPherson | MacPherson | 6 | 6 | | | | | | | | | | | | |
| Wagner | Wagner | 6 | 6 | | Wagner | Wagner | 1 | 4 | | | | | | | | | | | | |
| Berk | Berk | 3 | 0 | | | | | | | | | | | | Strachan | Strachan | 6 | 2 | 6 | 6 |
| Watters | Watters | 7 | 6 | | | | | | | | | | | | Garland | Garland | 1 | 6 | 2 | 3 |
| Allen | Allen | 5 | 4 | | Watters | Watters | 6 | 6 | | | | | | | | | | | | |
| Kashio | Kashio | 7 | 7 | 10 | Kashio | Kashio | 3 | 4 | | | | | | | | | | | | |
| Brown Ransom | Brown Ransom | 9 | 5 | 8 | | | | | Watters | Watters | 4 | 1 | 3 | | | | | | | |
| Garland | Garland | 6 | 7 | | | | | | Garland | Garland | 6 | 6 | 6 | | | | | | | |
| Mahan | Mahan | 1 | 5 | | Garland | Garland | 6 | 6 | | | | | | | | | | | | |
| Dionne | Dionne | 4 | 6 | 0 | Behr | Behr | 2 | 4 | | | | | | | | | | | | |
| Behr | Behr | 6 | 2 | 6 | | | | | | | | | | | | | | | | |

#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| Voshell | Voshell | 4 | 6' | 3 | | | | | | | | | | | | | | | |
| Ward | Ward | 6 | 1 | 6 | Ward | Ward | 6 | 6 | | | | | | | | | | | |
| Inman | Inman | 1 | 3 | | Parker | Parker | 2 | 2 | | | | | | | | | | | |
| Parker | Parker | 6 | 6 | | | | | | Ward | Ward | 6 | 3 | 1 | 2 | | | | | |
| Niles | Niles | 6 | 6 | | | | | | Niles | Niles | 3 | 6 | 6 | 6 | | | | | |
| Allen | Allen | 4 | 2 | | Niles | Niles | 6 | 6 | | | | | | | | | | | |
| Chambers | Chambers | | | | Chambers | Chambers | 4 | 1 | | | | | | | | | | | |
| Adoue | Adoue | w/ | o | | | | | | | | | | | | Niles | Niles | 6 | 6 | 6 |
| Armstrong | Armstrong | w/ | o | | | | | | | | | | | | Griffin | Griffin | 1 | 3 | 0 |
| Beck | Beck | | | | Beck | Beck | 6 | 6 | | | | | | | | | | | |
| Vail | Vail | 6 | 9 | | Vail | Vail | 1 | 3 | | | | | | | | | | | |
| Vilsack | Vilsack | 3 | 7 | | | | | | Beck | Beck | 2 | 6 | 2 | | | | | | |
| Griffin | Griffin | 6 | 6 | | | | | | Griffin | Griffin | 6 | 8 | 6 | | | | | | |
| MacMullen | MacMullen | 2 | 3 | | Griffin | Griffin | 6 | 6 | | | | | | | | | | | |
| VanDeventer | VanDeventer | | | | VanDeventer | VanDeventer | 2 | 2 | | | | | | | | | | | |
| Mack | Mack | w/ | o | | | | | | | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| Throckmorton | Throckmorton | 6 | 6 | | | | | | | | | | | | | | | | | | | |
| Johnson | Johnson | 4 | 4 | | Throckmorton | Throckmorton | 7 | 6 | | | | | | | | | | | | | | |
| Baggs | Baggs | | | | Baggs | Baggs | 5 | 3 | | | | | | | | | | | | | | |
| O Neale | O Neale | w/ | o | | | | | | | Throckmorton | Throckmorton | 4 | 6 | 6 | 6 | | | | | | | |
| Washburn | Washburn | 6 | 6 | | | | | | | Washburn | Washburn | 6 | 2 | 4 | 4 | | | | | | | |
| Dickinson | Dickinson | 3 | 3 | | Washburn | Washburn | 6 | 6 | | | | | | | | | | | | | | |
| Tilden | Tilden | w/ | o | | McClave | McClave | 0 | 2 | | | | | | | | | | | | | | |
| McClave | McClave | | | | | | | | | | | | | | | Throckmorton | Throckmorton | 1 | 6 | 4 | 6 | 3 |
| Whitman | Whitman | w/ | o | | | | | | | | | | | | | Williams | Williams | 6 | 4 | 6 | 0 | 6 |
| Wright | Wright | | | | Wright | Wright | 7 | 10 | 2 | | | | | | | | | | | | | |
| VanDeventer | VanDeventer | 2 | 4 | | Beekman | Beekman | 5 | 12 | 6 | | | | | | | | | | | | | |
| Beekman | Beekman | 6 | 6 | | | | | | | Beekman | Beekman | 8 | 4 | 7 | 3 | | | | | | | |
| Williams | Williams | 6 | 6 | | | | | | | Williams | Williams | 6 | 6 | 9 | 6 | | | | | | | |
| Pate | Pate | 2 | 2 | | Williams | Williams | 6 | 6 | | | | | | | | | | | | | | |
| French | French | 3 | 6 | 6 | French | French | 3 | 2 | | | | | | | | | | | | | | |
| James | James | 6 | 3 | 1 | | | | | | | | | | | | | | | | | | |