Head 2 Head
Win Loss Stats
Kolar
LLWWLLLWLW
Duckworth
LLWWWWWLWL
2025
2024
2023
23 - 13
16 - 14
3-2
Hard
9-8
0-0
I Hard
1-2
20-11
Clay
6-4
-
- J.Duckworth (4)
- Z.Kolar
- 6-2 6-74 6-2
- 1st
-
-
21 Nov 23
-
Yokohama Challenger -
-
Hard
-
Zdenek Kolar
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 2025 | 23-13 | 3-2 | 20-11 | 0-0 | 0-0 | 0-0 |
| 2024 | 28-23 | 1-2 | 11-12 | 16-9 | 0-0 | 0-0 |
| 2023 | 34-35 | 6-8 | 19-19 | 9-7 | 0-1 | 0-0 |
| 2022 | 23-36 | 1-6 | 17-24 | 3-3 | 2-2 | 0-1 |
| 2021 | 41-32 | 1-4 | 34-19 | 5-8 | 1-1 | 0-0 |
| 2020 | 16-19 | 1-3 | 9-8 | 5-6 | 0-0 | 1-2 |
| 2019 | 42-37 | 4-4 | 17-19 | 17-11 | 0-1 | 4-2 |
| 2018 | 30-33 | 4-5 | 21-22 | 4-4 | 1-1 | 0-1 |
| 2017 | 66-33 | 4-5 | 53-22 | 3-4 | 0-0 | 6-2 |
| 2016 | 51-26 | 0-0 | 41-17 | 4-3 | 0-0 | 6-6 |
| Total | 354-287 | 25-39 | 242-173 | 66-55 | 4-6 | 17-14 |
M25 Satu Mare
-
Tudor BatinT.BatinROU Loss
- 6-1 6-4
- 1st
-
27 May 25
Bogota Challenger
-
Hernan CasanovaH.CasanovaARG Loss
- 4-6 6-3 6-1
- 1/4
-
15 May 25
-
Adria Soriano BarreraA.BarreraESP
- 6-3 6-2
- 2nd
-
14 May 25
-
Karue SellK.SellBRA
- 6-3 3-6 6-1
- 1st
-
12 May 25
Santos Challenger
-
Alvaro Guillen MezaA.MezaECU Loss
- 6-4 6-4
- 1st
-
05 May 25
Porto Alegre Challenger
-
Santiago Rodriguez TavernaS.TavernaARG Loss
- 6-4 7-5
- 1st
-
29 Apr 25
M25 Antalya
-
Sergey FominS.FominUZB Loss
- 7-65 6-4
- 2nd
-
10 Apr 25
-
Kilian FeldbauschK.FeldbauschSUI
- 6-2 6-2
- 1st
-
08 Apr 25
M25 Antalya
-
Oleksii KrutykhO.KrutykhUKR Loss
- 6-4 6-4
- 2nd
-
03 Apr 25
-
Artur KukasianA.KukasianRUS
- 6-3 6-1
- 1st
-
02 Apr 25
James Duckworth
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 2025 | 16-14 | 9-8 | 6-4 | 1-2 | 0-0 | 0-0 |
| 2024 | 42-29 | 23-14 | 2-3 | 7-7 | 10-5 | 0-0 |
| 2023 | 51-28 | 43-21 | 1-3 | 5-2 | 2-2 | 0-0 |
| 2022 | 24-27 | 20-18 | 0-2 | 0-1 | 4-6 | 0-0 |
| 2021 | 36-24 | 15-9 | 1-2 | 12-9 | 8-4 | 0-0 |
| 2020 | 11-10 | 9-4 | 1-2 | 1-4 | 0-0 | 0-0 |
| 2019 | 52-26 | 39-17 | 8-4 | 1-2 | 4-3 | 0-0 |
| 2018 | 19-15 | 15-10 | 4-2 | 0-1 | 0-2 | 0-0 |
| 2017 | 0-1 | 0-1 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2016 | 43-18 | 33-12 | 0-0 | 4-1 | 1-5 | 5-0 |
| 2015 | 33-27 | 21-17 | 8-5 | 2-3 | 1-1 | 1-1 |
| 2014 | 38-24 | 15-12 | 8-5 | 6-3 | 7-3 | 2-1 |
| 2013 | 45-27 | 25-19 | 16-4 | 0-0 | 3-3 | 1-1 |
| 2012 | 25-25 | 13-11 | 9-11 | 0-0 | 3-3 | 0-0 |
| 2011 | 47-18 | 3-4 | 42-13 | 0-0 | 2-1 | 0-0 |
| 2010 | 22-15 | 11-9 | 7-4 | 0-0 | 4-2 | 0-0 |
| 2009 | 3-5 | 3-5 | 0-0 | 0-0 | 0-0 | 0-0 |
| Total | 507-333 | 297-191 | 113-64 | 39-35 | 49-40 | 9-3 |
Paris
-
Alexander BublikA.BublikKAZ Loss
- 6-2 6-4 6-4
-
1st
-
27 May 25
Geneva
-
Remy BertolaR.BertolaSUI Loss
- 7-63 6-4
- q1
-
17 May 25
San Luis Potosi Challenger
-
Max WiskandtM.WiskandtGER
- 6-1 6-1
- Fin.
-
20 Apr 25
-
Dan MartinD.MartinCAN
- 7-68 6-2
- 1/2
-
19 Apr 25
-
Alfredo PerezA.PerezUSA
- 7-67 6-4
- 1/4
-
18 Apr 25
-
Maximilian NeuchristM.NeuchristAUT
- 6-2 7-64
- 2nd
-
17 Apr 25
-
Rafael De AlbaR.AlbaMEX
- 6-1 6-2
- 1st
-
15 Apr 25
Mexico City Challenger
-
Juan Pablo VarillasJ.VarillasPER Loss
- 2-6 6-4 6-4
- 2nd
-
09 Apr 25
-
Mateus AlvesM.AlvesBRA
- 6-3 7-63
- 1st
-
07 Apr 25
Houston
-
Colton SmithC.SmithUSA Loss
- 6-2 6-2
- 1st
-
01 Apr 25
H2H Ranking live progression