── the model's take · from Elo · neutral court
Win probability
Not enough rating data for a read.
── who holds the edge · vs the rated field
Serve & return matchup
Serve
Zachary Svajda
46th · average
Stefan Kozlovinsufficient data
Return
Zachary Svajda
54th · average
Stefan Kozlovinsufficient data
Model serve/return ratings as a percentile of the rated tour — the edge behind the win probability.
── head to head
Compare
#93
model rank
—
Hard
best surface
—
Right
hand
Right
USA
country
USA
175cm
height
183cm
── model Elo over time
Trajectories
■ Zachary Svajda■ Stefan Kozlov
── meetings by surface
Surface record
Hard4–0
── 4 meetings
Every meeting
| date | tournament | surf | rd | winner | score |
|---|---|---|---|---|---|
| 2026-07-27 | Washington | Hard | Q1 | Zachary Svajda | 7-5 6-1 |
| 2025-02-10 | Delray Beach | Hard | Q1 | Zachary Svajda | 6-3 6-0 |
| 2023-02-06 | Dallas | Hard | Q2 | Zachary Svajda | 6-3 6-4 |
| 2021-09-13 | Cary 2 CH | Hard | R32 | Zachary Svajda | 7-5 2-0 RET |