Tennis · M15 Rancho Santa Fe · 12/07, 20:30
Prediction: Spencer Johnson vs Noah Zamora
Prediction summary
Winner
Spencer Johnson
Noah Zamora
Estimated games
21.9
Recent form · 10 last
Spencer Johnson
10-0 (W-L)
Noah Zamora
6-4 (W-L)
Head-to-head
Spencer Johnson
1–0
Noah Zamora
(1 last)
Our model (Elo) vs Market
Rating Elo · Spencer Johnson 1617 · Noah Zamora 1531
| Spencer Johnson | Noah Zamora | |
|---|---|---|
| Our model | 62% | 38% |
| Market | 71% | 29% |
The bar above blends our model with the market: where our probability diverges most from the odds is where the model sees the widest gap.
Match keys
- Our model (surface Elo, opponent-adjusted) favours Spencer Johnson (rating 1617 vs 1531).
- Spencer Johnson dominates on serve: 8.7 aces and 47.5% break avg.
- Spencer Johnson is in better form: 100% recent wins.
- Head-to-head: Spencer Johnson 1–0 Noah Zamora (1).
Statistics
| Spencer Johnson | Noah Zamora | |
|---|---|---|
| Win % | 100% | 70% |
| Win % · Hard | 100% (6) | 67% (6) |
| Sets (G-P) | 2-0.2 | 1.5-0.9 |
| Games (G-P) | 13.3-8.3 | 12.6-9.9 |
| Aces | 8.7 | 2.5 |
| Double faults | 2.4 | 1.4 |
| 1st serve % | 75.6% | 71% |
| Break % | 47.5% | 34.2% |
Estimated total games (ours)
21.9
H2H · Spencer Johnson 1 – 0 Noah Zamora (1)
Head-to-head (H2H) · Spencer Johnson 1–0 Noah Zamora
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| Date | Sets | Games | Res. |
|---|---|---|---|
| 11/06/26 M15 Los Angeles | 2-0 | 12-5 | W |
Last 10 matches played
Last matches of each player (sets and games). W = win, L = loss. Common opponents to both are in blue.
Spencer Johnson
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| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 11/07 | Stian Klaassen M15 Rancho Santa Fe |
2-0 | 12-4 | W |
| 10/07 | Ronald Hohmann M15 Rancho Santa Fe |
2-0 | 12-6 | W |
| 09/07 | Youssef Kadiri Hassani M15 Rancho Santa Fe |
2-0 | 13-8 | W |
| 07/07 | Nile Ung M15 Rancho Santa Fe |
2-0 | 12-6 | W |
| 28/06 | Alexander Rozin M15 Claremont · ~Hard |
2-0 | 12-7 | W |
| 27/06 | Jagger Leach M15 Claremont · ~Hard |
2-0 | 13-10 | W |
| 26/06 | Aidan Kim M15 Claremont · ~Hard |
2-1 | 16-15 | W |
| 25/06 | Bryce Nakashima M15 Claremont · ~Hard |
2-0 | 12-7 | W |
| 25/06 | Ronit Karki M15 Claremont · ~Hard |
2-1 | 18-11 | W |
| 21/06 | Bryce Nakashima M15 Irvine · ~Hard |
2-0 | 13-9 | W |
Noah Zamora
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| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 11/07 | Emon Van Loben Sels M15 Rancho Santa Fe |
2-1 | 18-14 | W |
| 10/07 | Noah Johnston M15 Rancho Santa Fe |
2-1 | 15-15 | W |
| 09/07 | Rudy Quan M15 Rancho Santa Fe |
1-2 | 14-14 | L |
| 08/07 | Benjamin O'Connell M15 Rancho Santa Fe |
2-1 | 17-15 | W |
| 04/07 | Bryce Nakashima M15 San Diego · ~Hard |
0-2 | 7-12 | L |
| 03/07 | Matic Kriznik M15 San Diego · ~Hard |
2-0 | 12-4 | W |
| 02/07 | Benjamin O'Connell M15 San Diego · ~Hard |
2-0 | 9-2 | W |
| 01/07 | Noah Johnston M15 San Diego · ~Hard |
2-0 | 12-3 | W |
| 24/06 | Jack Satterfield M15 Claremont · ~Hard |
0-2 | 10-13 | L |
| 18/06 | Stian Klaassen M15 Irvine · ~Hard |
2-0 | 12-7 | W |
Frequently asked questions
Who is the favourite in Spencer Johnson vs Noah Zamora?
Our model gives 67% to Spencer Johnson, using surface Elo on hard.
What is the prediction based on?
On an Elo model by surface (hard) adjusted for opponent quality, compared with the market odds.

