# 1898 U.S. National Championships – Men's singles

Malcolm Whitman defeated Dwight F. Davis in the All Comers final, 3–6, 6–2, 6–2, 6–1 to win the men's singles tennis title at the 1898 U.S. National Championships. Two-time reigning champion Robert Wrenn did not defend his title.

## Draw
### Challenge round

| Challenge round | Challenge round | Challenge round | Challenge round | Challenge round | Challenge round | Challenge round |
| R Wrenn | R Wrenn | | | | | |
| MD Whitman | MD Whitman | w/o | | | | |

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final | Final |
| WS Bond | WS Bond | 13 | 4 | 3 | | | | | | |
| D Davis | D Davis | 11 | 6 | 6 | | | | | | |
| D Davis | D Davis | 11 | 6 | 6 | D Davis | D Davis | 6 | 2 | 2 | 1 |
| | | | | | MD Whitman | MD Whitman | 3 | 6 | 6 | 6 |
| LE Ware | LE Ware | 2 | 0 | 2 | MD Whitman | MD Whitman | 3 | 6 | 6 | 6 |
| MD Whitman | MD Whitman | 6 | 6 | 6 | | | | | | |

### Earlier rounds
#### Section 1

| First round | 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 |
| | | | | | | BS Harris | BS Harris | 0 | 2 | 0 | | | | | | | | | | | |
| | | | | | | WS Bond | WS Bond | 6 | 6 | 6 | | | | | | | | | | | |
| | | | | | | | | | | | WS Bond | WS Bond | 6 | 6 | 6 | | | | | | |
| | | | | | | | | | | | J Forbes | J Forbes | 1 | 3 | 1 | | | | | | |
| | | | | | | RD Little | RD Little | 2 | 2 | 2 | | | | | | | | | | | |
| | | | | | | J Forbes | J Forbes | 6 | 6 | 6 | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | WS Bond | WS Bond | 6 | 6 | 6 |
| | | | | | | | | | | | | | | | | | H Ward | H Ward | 3 | 3 | 4 |
| | | | | | | WS Clough | WS Clough | | | | | | | | | | | | | | |
| H Ward | H Ward | 6 | 2 | 4 | | H Ward | H Ward | w/o | | | | | | | | | | | | | |
| G Sheldon | G Sheldon | 3 | 6 | 6 | r | | | | | | H Ward | H Ward | 6 | 6 | 3 | 6 | | | | | |
| RH Carleton | RH Carleton | 6 | 6 | 6 | | | | | | | H Hackett | H Hackett | 2 | 3 | 6 | 0 | | | | | |
| C Whitbeck | C Whitbeck | 1 | 4 | 1 | | RH Carleton | RH Carleton | 4 | 2 | 2 | | | | | | | | | | | |
| H Hackett | H Hackett | 6 | 7 | 8 | | H Hackett | H Hackett | 6 | 6 | 6 | | | | | | | | | | | |
| R Hooker | R Hooker | 2 | 5 | 6 | | | | | | | | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | First round | Second round | Second 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 |
| H Avery | H Avery | w/o | | | | | | | | | | | | | | | | | | | | | |
| GS Keyes | GS Keyes | | | | | H Avery | H Avery | 3 | 4 | 6 | 6 | 4 | | | | | | | | | | | |
| S Ware | S Ware | w/o | | | | S Ware | S Ware | 6 | 6 | 1 | 3 | 6 | | | | | | | | | | | |
| H Foulke | H Foulke | | | | | | | | | | | | S Ware | S Ware | 1 | 3 | 1 | | | | | | |
| G Belden | G Belden | 6 | 6 | 6 | | | | | | | | | R Stevens | R Stevens | 6 | 6 | 6 | | | | | | |
| ER Marvin | ER Marvin | 2 | 2 | 3 | | G Belden | G Belden | 4 | 0 | 6 | 4 | | | | | | | | | | | | |
| R Stevens | R Stevens | 6 | 6 | 2 | 6 | R Stevens | R Stevens | 6 | 6 | 4 | 6 | | | | | | | | | | | | |
| GH Miles | GH Miles | 0 | 4 | 6 | 2 | | | | | | | | | | | | | | R Stevens | R Stevens | 6 | 4 | 5 |
| JC Davidson | JC Davidson | 6 | 6 | 6 | | | | | | | | | | | | | | | D Davis | D Davis | 8 | 6 | 7 |
| SA Cushman | SA Cushman | 3 | 1 | 3 | | JC Davidson | JC Davidson | 6 | 1 | 3 | 4 | | | | | | | | | | | | |
| D Davis | D Davis | 6 | 8 | 6 | | D Davis | D Davis | 4 | 6 | 6 | 6 | | | | | | | | | | | | |
| H Plummer | H Plummer | 2 | 6 | 0 | | | | | | | | | D Davis | D Davis | 6 | 6 | 6 | 6 | | | | | |
| A Codman | A Codman | 5 | 6 | 7 | 6 | | | | | | | | A Codman | A Codman | 8 | 4 | 2 | 2 | | | | | |
| T Gross | T Gross | 7 | 3 | 5 | 3 | A Codman | A Codman | 6 | 7 | 6 | | | | | | | | | | | | | |
| EA Freshman | EA Freshman | w/o | | | | EA Freshman | EA Freshman | 2 | 5 | 0 | | | | | | | | | | | | | |
| D Miller | D Miller | | | | | | | | | | | | | | | | | | | | | | |

#### Section 3

| First round | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| L Fitzgerald | L Fitzgerald | w/o | | | | | | | | | | | | | | | | | | | | | | |
| LJ Grant | LJ Grant | | | | | L Fitzgerald | L Fitzgerald | | | | | | | | | | | | | | | | | |
| LE Ware | LE Ware | 6 | 6 | 6 | | LE Ware | LE Ware | w/o | | | | | | | | | | | | | | | | |
| EP Fischer | EP Fischer | 2 | 3 | 1 | | | | | | | | | LE Ware | LE Ware | 6 | 6 | 6 | | | | | | | |
| W Clothier | W Clothier | 6 | 6 | 6 | | | | | | | | | S Millett | S Millett | 3 | 0 | 1 | | | | | | | |
| E Stille | E Stille | 4 | 3 | 4 | | W Clothier | W Clothier | 6 | 7 | 2 | 1 | 0 | | | | | | | | | | | | |
| S Millett | S Millett | 4 | 6 | 6 | 6 | S Millett | S Millett | 2 | 5 | 6 | 6 | 6 | | | | | | | | | | | | |
| H Cole | H Cole | 6 | 4 | 0 | 4 | | | | | | | | | | | | | | | LE Ware | LE Ware | 6 | 6 | 6 |
| GW Lee | GW Lee | 5 | 5 | 6 | | | | | | | | | | | | | | | | GW Lee | GW Lee | 2 | 3 | 4 |
| WKAuchincloss | WKAuchincloss | 2 | 2 | 4 | | GW Lee | GW Lee | 6 | 6 | 6 | | | | | | | | | | | | | | |
| J Bramhall | J Bramhall | 6 | 6 | 6 | | J Bramhall | J Bramhall | 2 | 1 | 1 | | | | | | | | | | | | | | |
| CO Wheeler | CO Wheeler | 1 | 3 | 2 | | | | | | | | | GW Lee | GW Lee | 9 | 7 | 3 | 7 | 6 | | | | | |
| HL Ewer | HL Ewer | 6 | 6 | 6 | | | | | | | | | HL Ewer | HL Ewer | 7 | 9 | 6 | 5 | 1 | | | | | |
| LH Cook | LH Cook | 2 | 2 | 4 | | HL Ewer | HL Ewer | 7 | 4 | 6 | 6 | | | | | | | | | | | | | |
| JK Willing | JK Willing | w/o | | | | JK Willing | JK Willing | 5 | 6 | 4 | 3 | | | | | | | | | | | | | |
| WC Grant | WC Grant | | | | | | | | | | | | | | | | | | | | | | | |

#### Section 4

| First round | 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 | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| MD Whitman | MD Whitman | 6 | 6 | 6 | | | | | | | | | | | | | | | | | | | |
| JF Brice | JF Brice | 1 | 0 | 0 | | MD Whitman | MD Whitman | 6 | 6 | 6 | | | | | | | | | | | | | |
| WD Brownell | WD Brownell | 6 | 6 | 2 | 6 | WD Brownell | WD Brownell | 0 | 2 | 2 | | | | | | | | | | | | | |
| D Emery | D Emery | 4 | 3 | 6 | 0 | | | | | | MD Whitman | MD Whitman | 6 | 6 | 6 | | | | | | | | |
| | | | | | | | | | | | GL Wrenn | GL Wrenn | 2 | 1 | 1 | | | | | | | | |
| | | | | | | GL Wrenn | GL Wrenn | 8 | 6 | 6 | | | | | | | | | | | | | |
| | | | | | | J Talmage | J Talmage | 6 | 1 | 3 | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | MD Whitman | MD Whitman | 11 | 4 | 6 | 8 |
| | | | | | | | | | | | | | | | | | | CR Budlong | CR Budlong | 9 | 6 | 2 | 6 |
| | | | | | | B Wright | B Wright | 4 | 3 | 4 | | | | | | | | | | | | | |
| | | | | | | CR Budlong | CR Budlong | 6 | 6 | 6 | | | | | | | | | | | | | |
| | | | | | | | | | | | CR Budlong | CR Budlong | 5 | 3 | 5 | 6 | 6 | | | | | | |
| | | | | | | | | | | | J Parmly Paret | J Parmly Paret | 1 | 6 | 7 | 3 | 4 | | | | | | |
| | | | | | | J Parmly Paret | J Parmly Paret | 9 | 6 | 6 | | | | | | | | | | | | | |
| | | | | | | R McKittrick | R McKittrick | 7 | 4 | 3 | | | | | | | | | | | | | |