# Adam Walton vs Nicolas Mejia — Head-to-Head

Source: https://tennis-db.com/rivalries/adam-walton-vs-nicolas-mejia?player1_id=77&player2_id=268
Tour: ATP

Adam Walton holds a 1–0 lead over Nicolas Mejia in their ATP head-to-head. Across 1 main-draw meeting, Adam Walton leads 1–0 on hard courts. Most recently, Adam Walton won the 2026 Cincinnati Open first round 7-6(5) 6-0.

## Overall
- Adam Walton: 1 wins
- Nicolas Mejia: 0 wins
- Total meetings: 1

## By surface
- Hard: Adam Walton 1 - 0 Nicolas Mejia

## By tournament category
- Masters 1000: Adam Walton 1 - 0 Nicolas Mejia

## Surface results by age
Completed main-draw results by court surface. The canonical HTML page contains the complete comparison.

| Age | Player | Season | Surface | W-L | M | Win % |
| ---: | :--- | ---: | :--- | ---: | ---: | ---: |
| 21 | Nicolas Mejia | 2021 | Hard | 0-1 | 1 | 0.0% |
| 24 | Nicolas Mejia | 2024 | Hard | 0-1 | 1 | 0.0% |
| 25 | Adam Walton | 2024 | Hard | 1-8 | 9 | 11.1% |
| 25 | Adam Walton | 2024 | Clay | 0-1 | 1 | 0.0% |
| 25 | Adam Walton | 2024 | Grass | 2-2 | 4 | 50.0% |
| 25 | Nicolas Mejia | 2025 | Hard | 0-1 | 1 | 0.0% |
| 26 | Adam Walton | 2025 | Hard | 11-15 | 26 | 42.3% |
| 26 | Adam Walton | 2025 | Clay | 2-3 | 5 | 40.0% |
| 26 | Adam Walton | 2025 | Grass | 0-2 | 2 | 0.0% |
| 26 | Nicolas Mejia | 2026 | Hard | 1-2 | 3 | 33.3% |
| 26 | Nicolas Mejia | 2026 | Grass | 1-1 | 2 | 50.0% |
| 27 | Adam Walton | 2026 | Hard | 4-9 | 13 | 30.8% |
| 27 | Adam Walton | 2026 | Clay | 2-3 | 5 | 40.0% |
| 27 | Adam Walton | 2026 | Grass | 1-2 | 3 | 33.3% |
| Career | Adam Walton | - | Hard | 16-32 | 48 | 33.333333333333336% |
| Career | Adam Walton | - | Clay | 4-7 | 11 | 36.36363636363637% |
| Career | Adam Walton | - | Grass | 3-6 | 9 | 33.333333333333336% |
| Career | Nicolas Mejia | - | Hard | 1-5 | 6 | 16.666666666666668% |
| Career | Nicolas Mejia | - | Grass | 1-1 | 2 | 50.0% |

## Performance progression by age
Detailed serve and return statistics available for 67/69 of Adam Walton's and 8/8 of Nicolas Mejia's main draw matches.

Sample is shown as matches with detailed serve and return statistics / total main draw matches. The canonical HTML page contains the complete comparison.

| Age | Player | Season | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% |
| ---: | :--- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| 21 | Nicolas Mejia | 2021 | 1/1 | 3.0 | 3.0 | 63.6% | 68.6% | 30.0% | 20.0% | 0.0% | 54.5% | 30.2% |
| 24 | Nicolas Mejia | 2024 | 1/1 | 1.0 | 2.0 | 62.5% | 55.0% | 29.2% | 37.5% | 50.0% | 45.3% | 41.8% |
| 25 | Adam Walton | 2024 | 14/14 | 5.4 | 2.1 | 64.4% | 72.7% | 50.3% | 63.9% | 29.9% | 64.6% | 31.0% |
| 25 | Nicolas Mejia | 2025 | 1/1 | 3.0 | 1.0 | 57.0% | 58.0% | 48.0% | 33.0% | 0.0% | 54.0% | 25.0% |
| 26 | Adam Walton | 2025 | 32/33 | 6.5 | 2.3 | 62.1% | 70.6% | 47.9% | 56.6% | 43.1% | 62.2% | 35.0% |
| 26 | Nicolas Mejia | 2026 | 5/5 | 5.2 | 2.6 | 61.4% | 66.2% | 50.6% | 57.6% | 34.4% | 60.0% | 34.6% |
| 27 | Adam Walton | 2026 | 21/22 | 5.5 | 1.0 | 63.8% | 65.9% | 53.4% | 60.9% | 40.9% | 61.4% | 34.6% |
| Career | Adam Walton | - | 67/69 | 6.0 | 1.8 | 63.1% | 69.6% | 50.1% | 59.5% | 39.6% | 62.4% | 34.0% |
| Career | Nicolas Mejia | - | 8/8 | 4.1 | 2.4 | 61.3% | 64.1% | 45.0% | 47.3% | 27.8% | 56.7% | 33.7% |

## Advanced statistics comparison
Career aggregates from the precomputed Advanced table. Surface Elo values are relative to overall Elo; career Schedule is normalized per 100 matches and lower means tougher opposition.

| Player | Peak Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win% | Set Margin | Dec. Set | Tiebreak | Schedule |
| :--- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Adam Walton | 1702 | 129.9 | -1.11 | -0.92 | 0.906 | 48.5% | 21 | -73 | 17 | 36.7% | -0.52 | 8-8 (50%) | 14-31 (31%) | 0.75 |
| Nicolas Mejia | 1600 | 113.0 | -0.78 | -2.06 | 0.78 | 45.6% | -25 | - | - | 28.6% | -1.57 | 1-0 | 2-4 (33%) | 8.38 |

## Meeting history (last 20)
| Date | Tournament | Round | Surface | Winner | Score |
| :--- | :--- | :--- | :--- | :--- | :--- |
| 2026-08-14 | Cincinnati Open | R128 | Hard | Adam Walton | 7-6(5) 6-0 |

## Career rivalries
### Adam Walton

| Opponent | W-L | M | Last played | H2H |
| :--- | ---: | ---: | :--- | :--- |
| Daniil Medvedev | 2-1 | 3 | 2026-05-26 | [H2H](https://tennis-db.com/rivalries/daniil-medvedev-vs-adam-walton?player1_id=13&player2_id=77) |
| Learner Tien | 0-2 | 2 | 2026-03-06 | [H2H](https://tennis-db.com/rivalries/learner-tien-vs-adam-walton?player1_id=26&player2_id=77) |
| Quentin Halys | 1-1 | 2 | 2026-03-04 | [H2H](https://tennis-db.com/rivalries/adam-walton-vs-quentin-halys?player1_id=77&player2_id=91) |
| Carlos Alcaraz | 0-2 | 2 | 2026-01-18 | [H2H](https://tennis-db.com/rivalries/carlos-alcaraz-vs-adam-walton?player1_id=1&player2_id=77) |
| Coleman Wong | 1-1 | 2 | 2025-08-28 | [H2H](https://tennis-db.com/rivalries/adam-walton-vs-coleman-wong?player1_id=77&player2_id=250) |

### Nicolas Mejia

| Opponent | W-L | M | Last played | H2H |
| :--- | ---: | ---: | :--- | :--- |
| Adam Walton | 0-1 | 1 | 2026-08-14 | [H2H](https://tennis-db.com/rivalries/adam-walton-vs-nicolas-mejia?player1_id=77&player2_id=268) |
| Lorenzo Musetti | 0-1 | 1 | 2026-08-05 | [H2H](https://tennis-db.com/rivalries/lorenzo-musetti-vs-nicolas-mejia?player1_id=7&player2_id=268) |
| Martin Landaluce | 1-0 | 1 | 2026-08-03 | [H2H](https://tennis-db.com/rivalries/martin-landaluce-vs-nicolas-mejia?player1_id=246&player2_id=268) |
| Michael Zheng | 0-1 | 1 | 2026-07-01 | [H2H](https://tennis-db.com/rivalries/nicolas-mejia-vs-michael-zheng?player1_id=268&player2_id=282) |
| Adolfo Daniel Vallejo | 1-0 | 1 | 2026-06-29 | [H2H](https://tennis-db.com/rivalries/adolfo-daniel-vallejo-vs-nicolas-mejia?player1_id=243&player2_id=268) |

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Canonical URL: https://tennis-db.com/rivalries/adam-walton-vs-nicolas-mejia?player1_id=77&player2_id=268
Data source: TennisDB (tennis-db.com)