Guillaume Dalmasso and Olaf Pieczkowski have met 1 time since 2026; Guillaume Dalmasso leads 1–0. Their most recent meeting: Guillaume Dalmasso won at M15 San Jose (2026).
Playing styles and historical archetype record
Dalmasso
🪃 Counterpuncher
Pieczkowski
⚔️ The Gladiator
Matchup analysis
The 🪃 Counterpuncher archetype wins about 54% vs ⚔️ The Gladiator across 3,919 matches in our dataset — a stylistic lean toward Guillaume Dalmasso.
Counterpuncher players often use elite bp conversion and strong return game to pressure the the gladiator's physical intensity.
1 career meeting, newest first
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Dalmasso | Pieczkowski |
|---|---|---|
| W-L | 6–5 | 1–1 |
| Avg odds | 2.62 | 3.72 |
| ROI % | +1.4% | +23.5% |
| Units P/L | +0.15u | +0.47u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Results vs. opponents both players faced · Last 12 months
Dalmasso has a higher win rate against shared opponents (100% vs Pieczkowski's 0%).
| Opponent | Dalmasso | Pieczkowski |
|---|---|---|
| Edward Winter | W 64 76 | L 67 36 |
Last five matches per player
Filip Peliwo
Futures 2026 ·
Jun 13
Joaquin Guilleme
Futures 2026 ·
Jun 13
Tom Zeuch
Futures 2026 ·
Jun 12
Sten Hiiesalu
Futures 2026 ·
Jun 10
Arda Azkara
RISE CENTURION OPEN · Round of 16
Jun 3
Constantin Bittoun Kouzmine
RISE CENTURION OPEN · Round of 32
Jun 2
Peter Buldorini
RISE CENTURION OPEN · 2nd Round Qualifying
Jun 1
Ofek Shimanov
RISE CENTURION OPEN · 1st Round Qualifying
May 31
Karl Poling
Texas Spine and Joint Men's Championship · 2nd Round Qualifying
Jun 2
Garrett Johns
Texas Spine and Joint Men's Championship · 1st Round Qualifying
Jun 1
Andrew Fenty
UAMS Health Little Rock Open · 1st Round Qualifying
May 24
Branko Djuric
M25 Bakersfield CA · Quarterfinals
Mar 16
Christopher Papa
M25 Bakersfield CA · Round of 32
Mar 16
Billy Suarez
M25 Bakersfield CA · Round of 16
Mar 16
Guillaume Dalmasso
M15 San Jose · Round of 32
Feb 23
Stefan Dostanic
Steve Carter Baton Rouge Challenger · Quarterfinals
Feb 13
Matches, sets and games won · Last 12 months · 40–59 matches
| Metric | Dalmasso | Pieczkowski |
|---|---|---|
| Matches won | 59% | 57% |
| Sets won | 55% | 59% |
| Games won | 52% | 54% |
Head-to-head record by tournament tier
| Stage | Dalmasso | Pieczkowski |
|---|---|---|
| ITF M15 | 1 | 0 |
Head-to-head record per surface
| Surface | Dalmasso | Pieczkowski |
|---|---|---|
| Hard | 1 | 0 |
