Tennis · M15 Naples · 12/11, 16:00
Prediction: Justin Riley Anson vs Ryan Colby
Team pages: Justin Riley Anson · Ryan Colby
Prediction summary
Winner
Justin Riley Anson
Ryan Colby
Estimated games
23
Recent form · 10 last
Justin Riley Anson
8-2 (W-L)
Ryan Colby
3-7 (W-L)
Our model (Elo) vs Market
Rating Elo · Justin Riley Anson 1561 · Ryan Colby 1480
| Justin Riley Anson | Ryan Colby | |
|---|---|---|
| Our model | 61% | 39% |
| Market | 31% | 69% |
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 Justin Riley Anson (rating 1561 vs 1480).
- Justin Riley Anson is in better form: 70% recent wins.
- Note: Ryan Colby makes many double faults (4.2/match).
Statistics
| Justin Riley Anson | Ryan Colby | |
|---|---|---|
| Win % | 70% | 40% |
| Win % · Clay | 100% (1) | 100% (1) |
| Sets (G-P) | 1.6-0.8 | 0.9-1.5 |
| Games (G-P) | 13.7-11 | 10.3-11.8 |
| Aces | 2.5 | 1.9 |
| Double faults | 2.6 | 4.2 |
| 1st serve % | 64.6% | 57.1% |
| Break % | 46% | 46.5% |
Estimated total games (ours)
23
Last 10 matches played
Last matches of each player (sets and games). W = win, L = loss. Common opponents to both are in blue.
Justin Riley Anson
Swipe the table sideways →
| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 10/11 | Logan Zapp M15 Naples · ~Clay |
2-0 | 13-8 | W |
| 18/07 | Aditya Govila UTR Pro Knoxville · Hard |
2-0 | 13-9 | W |
| 17/07 | Jose Garcia UTR Pro Knoxville · Hard |
1-2 | 17-17 | L |
| 16/07 | Chase Robinson UTR Pro Knoxville · Hard |
2-1 | 19-14 | W |
| 15/07 | Mitchell Lee UTR Pro Knoxville · Hard |
2-1 | 13-13 | W |
| 15/05 | William Chase Thompson UTR Pro Newport Beach · Hard |
1-2 | 14-14 | L |
| 13/05 | Jonty Giesen UTR Pro Newport Beach · Hard |
2-0 | 12-7 | W |
| 12/05 | Marco Alvarez UTR Pro Newport Beach · Hard |
2-0 | 12-5 | W |
| 11/05 | Noah Zamora UTR Pro Newport Beach · Hard |
0-2 | 10-13 | L |
| 31/01 | Solal Pont UTR Pro Newport Beach · Hard |
2-0 | 14-10 | W |
Ryan Colby
Swipe the table sideways →
| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 11/11 | Max Sheldon M15 Naples · ~Clay |
2-0 | 13-9 | W |
| 06/11 | Gavin Goode M15 Hilton Head Island |
0-2 | 7-13 | L |
| 05/11 | Santiago Giamichelle M15 Hilton Head Island |
2-1 | 16-9 | W |
| 04/11 | Jack Secord M15 Hilton Head Island |
2-1 | 14-9 | W |
| 28/10 | Lucca Liu M15 Mazatlan |
0-2 | 3-11 | L |
| 27/09 | Shunsuke Mitsui Challenger Columbus · Hard |
0-2 | 2-12 | L |
| 16/09 | Vasco Leote Prata M25 Sintra |
0-2 | 9-13 | L |
| 10/09 | Finn Murgett M25 Sintra |
0-2 | 7-13 | L |
| 09/09 | Joao Mendes M25 Sintra |
2-1 | 15-11 | W |
| 27/08 | Jakub Vrba M15 Champaign |
1-2 | 17-18 | L |
Frequently asked questions
Who is the favourite in Justin Riley Anson vs Ryan Colby?
Our model gives 55% to Ryan Colby, using surface Elo on clay.
What is the prediction based on?
On an Elo model by surface (clay) adjusted for opponent quality, compared with the market odds.

