Lock, Zhu - Duncan, Heinonen
28.07.2026, 10:00, Bonn challenger, round of 16, clay
| Lock Courtney John | Duncan Scott | |||
|---|---|---|---|---|
![]() |
412. | Doubles ranking | 231. | ![]() |
| 18. 10. 1996 | Birthdate | 21. 8. 1994 | ||
| 193 cm | Height | - | ||
| 88 kg | Weight | - | ||
| right | Plays | right | ||
| - | Turned pro | - | ||
| Zhu Michael | Heinonen Adam | |||
|---|---|---|---|---|
![]() |
457. | Doubles ranking | 137. | ![]() |
| 12. 8. 1992 | Birthdate | 22. 8. 2002 | ||
| 175 cm | Height | - | ||
| 77 kg | Weight | - | ||
| right | Plays | right | ||
| - | Turned pro | - | ||
- Live streams
| Surface | Lock Courtney John Zhu Michael |
Duncan Scott Heinonen Adam |
|---|---|---|
| Indoors | 0/1 | - |
| Clay | 4/0 | - |
| Grass | - | - |
| Hard | - | - |
| Not set | - | - |
No records for this pair.
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 239/197 | 76/59 | 151/111 | 9/21 | - | 3/6 |
| 2026 | 14/18 | 7/5 | 7/11 | 0/2 | - | - |
| 2025 | 21/37 | 11/18 | 10/16 | 0/2 | - | 0/1 |
| 2024 | 41/26 | 30/13 | 3/7 | 8/5 | - | 0/1 |
| 2023 | 1/4 | - | 1/1 | 0/2 | - | 0/1 |
| 2022 | 34/34 | 19/11 | 15/19 | 0/3 | - | 0/1 |
| 2021 | 4/10 | - | 3/3 | 1/6 | - | 0/1 |
| 2020 | 2/7 | 0/3 | 1/3 | 0/1 | - | 1/0 |
| 2019 | 47/24 | 2/4 | 45/20 | - | - | - |
| 2018 | 37/14 | - | 37/14 | - | - | - |
| 2017 | 5/7 | 5/4 | 0/3 | - | - | - |
| 2016 | 24/8 | 2/1 | 21/6 | - | - | 1/1 |
| 2015 | 7/6 | - | 6/6 | - | - | 1/0 |
| 2014 | 2/2 | - | 2/2 | - | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 141/140 | 22/19 | 111/109 | 8/11 | 0/1 | - |
| 2026 | 18/10 | 6/2 | 8/4 | 4/3 | 0/1 | - |
| 2025 | 22/16 | 4/0 | 18/16 | - | - | - |
| 2024 | 15/19 | - | 15/19 | - | - | - |
| 2023 | 9/8 | - | 9/7 | 0/1 | - | - |
| 2022 | 2/4 | 1/1 | 1/3 | - | - | - |
| 2021 | 1/2 | - | 1/2 | - | - | - |
| 2020 | 1/5 | 1/4 | 0/1 | - | - | - |
| 2019 | 22/27 | 6/8 | 16/19 | - | - | - |
| 2018 | 22/24 | 0/1 | 21/20 | 1/3 | - | - |
| 2017 | 21/15 | 1/1 | 18/13 | 2/1 | - | - |
| 2016 | 8/10 | 3/2 | 4/5 | 1/3 | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 190/193 | 40/59 | 83/75 | 62/52 | 5/7 | - |
| 2026 | 18/19 | 3/7 | 10/4 | 4/5 | 1/3 | - |
| 2025 | 21/23 | 4/4 | 8/12 | 6/7 | 3/0 | - |
| 2024 | 23/39 | 12/27 | 4/8 | 7/4 | - | - |
| 2023 | 34/31 | 9/8 | 9/10 | 16/12 | 0/1 | - |
| 2022 | 45/28 | 5/7 | 24/12 | 15/7 | 1/2 | - |
| 2021 | 7/9 | 1/1 | 3/3 | 3/4 | 0/1 | - |
| 2020 | 1/3 | - | - | 1/3 | - | - |
| 2019 | 10/13 | - | 5/9 | 5/4 | - | - |
| 2018 | 24/16 | 2/2 | 17/9 | 5/5 | - | - |
| 2017 | 6/6 | 4/3 | 2/3 | - | - | - |
| 2016 | 0/2 | - | 0/2 | - | - | - |
| 2014 | 1/2 | - | 1/2 | - | - | - |
| 2013 | 0/2 | - | 0/1 | 0/1 | - | - |
Head-to-head
No head-to-head record.
Betting odds
Latest matches
| Futures 2026, F, 18.04.2026 | ||
| Lock / Zhu - Yang / Zheng | 2:0 | |
| Futures 2026, SF, 17.04.2026 | ||
| Lock / Zhu - Delan / Sincl | 2:1 | |
| Futures 2026, QF, 16.04.2026 | ||
| Lock / Zhu - Atlan / Lu | 2:0 | |
| Futures 2026, R16, 15.04.2026 | ||
| Lock / Zhu - Chen / Yang | 2:0 | |
| Futures 2026, R16, 07.04.2026 | ||
| Yang / Zheng - Lock / Zhu | 2:0 | |
| Futures 2026, SF, 24.07.2026 | ||
| Casan / Vansh - Delan / Lock | 2:0 | |
| Futures 2026, QF, 23.07.2026 | ||
| Delan / Lock - Hammo / Harsh | 2:1 | |
| Futures 2026, R16, 22.07.2026 | ||
| Delan / Lock - Mingu / Nagel | 2:0 | |
| Pozoblanco challenger, R16, 15.07.2026 | ||
| Sanch / Winte - Caste / Lock | 2:0 | |
| Liege challenger, R16, 08.07.2026 | ||
| Deman / Ratzi - Henni / Lock | 2:1 | |
| Centurion 2 challenger, QF, 04.06.2026 | ||
| Baden / Koeni - Henni / Lock | 2:0 | |
| Centurion 2 challenger, R16, 03.06.2026 | ||
| Henni / Lock - Longw / Van D | 2:0 | |
| Centurion challenger, SF, 29.05.2026 | ||
| Bitto / Strom - Henni / Lock | 2:0 | |
| Centurion challenger, QF, 28.05.2026 | ||
| Henni / Lock - Beckl / Donsk | 2:0 | |
| Centurion challenger, R16, 27.05.2026 | ||
| Henni / Lock - Hands / Peliw | 2:0 | |
| Nottingham 3 challenger, R16, 08.07.2026 | ||
| Marco / Slavi - Leong / Zhu | 2:0 | |
| Troyes challenger, SF, 03.07.2026 | ||
| Herma / Marco - Hsu / Zhu | 2:0 | |
| Troyes challenger, QF, 02.07.2026 | ||
| Hsu / Zhu - Bass / Macki | 2:1 | |
| Troyes challenger, R16, 30.06.2026 | ||
| Hsu / Zhu - Feldb / Rolla | 2:0 | |
| Royan challenger, R16, 17.06.2026 | ||
| Fancu / Rai - Hsu / Zhu | 2:0 | |
| Futures 2026, F, 12.06.2026 | ||
| Hsu / Zhu - Perez / Wrigh | 2:0 | |
| Futures 2026, SF, 11.06.2026 | ||
| Hsu / Zhu - Gonza / Malir | 2:1 | |
| Futures 2026, QF, 10.06.2026 | ||
| Hsu / Zhu - Hermo / Josep | 2:0 | |
| Futures 2026, R16, 09.06.2026 | ||
| Hsu / Zhu - Castr / De Fe | 2:0 | |
| Centurion 2 challenger, QF, 04.06.2026 | ||
| Monts / Van S - Peliw / Zhu | 2:0 | |
| Pozoblanco challenger, R16, 15.07.2026 | ||
| Azkar / Erel - Dunca / Macki | 2:0 | |
| Nottingham challenger, R16, 16.06.2026 | ||
| Chand / Yuzuk - Bass / Dunca | 2:0 | |
| Ilkley challenger, QF, 11.06.2026 | ||
| Bolli / Hilde - Bass / Dunca | 2:0 | |
| Ilkley challenger, R16, 11.06.2026 | ||
| Bass / Dunca - Bayld / Schoo | 2:0 | |
| Birmingham challenger, R16, 03.06.2026 | ||
| Chand / Yuzuk - Bass / Dunca | 2:1 | |
| Cervia challenger, R16, 20.05.2026 | ||
| Bianc / Sheeh - Dunca / Riber | 2:0 | |
| Zagreb challenger, QF, 17.05.2026 | ||
| Maric / Mikru - Dunca / White | 2:0 | |
| Zagreb challenger, R16, 13.05.2026 | ||
| Dunca / White - Fatic / Saban | 2:0 | |
| Futures 2026, SF, 08.05.2026 | ||
| Hands / Murge - Dunca / White | 2:1 | |
| Futures 2026, QF, 07.05.2026 | ||
| Dunca / White - Howse / Solon | 2:0 | |
| Bastad, R16, 15.07.2026 | ||
| Arrib / Cabra - Greve / Heino | 2:0 | |
| Iasi challenger, F, 12.07.2026 | ||
| Greve / Heino - Saban / Saban | 2:0 | |
| Iasi challenger, SF, 10.07.2026 | ||
| Greve / Heino - Banth / Donsk | 2:0 | |
| Iasi challenger, QF, 09.07.2026 | ||
| Greve / Heino - Ghetu / Haita | 2:0 | |
| Iasi challenger, R16, 08.07.2026 | ||
| Greve / Heino - Kadhe / Zorma | 2:1 | |
| Cattolica challenger, F, 13.06.2026 | ||
| Jecan / Pavel - Greve / Heino | 2:0 | |
| Cattolica challenger, SF, 12.06.2026 | ||
| Greve / Heino - De Jo / Herma | 2:0 | |
| Cattolica challenger, QF, 11.06.2026 | ||
| Greve / Heino - Forti / Ricca | 2:0 | |
| Cattolica challenger, R16, 10.06.2026 | ||
| Greve / Heino - Kalen / Saban | 2:0 | |
| Heilbronn challenger, QF, 04.06.2026 | ||
| Dodig / Mikru - Greve / Heino | 2:1 | |
This week's tournaments
| Main tournaments | ||||
| Washington | 11 | |||
| Los Cabos | 8 | |||
| Estoril | 3 | |||
| Davis Cup | 9 | |||
| Washington | 7 | |||
| Livesport Prague Open | 2 | |||
| Memphis | 17 | |||
| Hamburg WTA | 3 | |||
| Lower level tournaments | ||||
| Bloomfield Hills challenger | 3 | |||
| San Marino challenger | 8 | |||
| Zug challenger | 1 | |||
| Winnipeg challenger | 3 | |||
| Bonn challenger | 8 | |||
| Liberec challenger | 8 | |||
| Segovia challenger | 2 | |||
| Tampere challenger | 1 | |||
| Samsun challenger | 8 | |||
| UTR Pro Tennis Series 3 | 79 | |||
| UTR Pro Tennis Series 5 | 16 | |||
| UTR Pro Tennis Series 9 | 15 | |||
| Vancouver WTA | 8 | |||
| Palermo | 3 | |||
| Amstetten ITF | 2 | |||
| Evansville ITF | 3 | |||
| Cordenons 2 ITF | 1 | |||
| Vacaria ITF | 3 | |||
| Horb ITF | 2 | |||
| Gentofte ITF | 1 | |||
| Santa Fe 2 ITF | 3 | |||
| Saskatoon ITF | 2 | |||
| UTR Pro Tennis Series 5 | 17 | |||
| UTR Pro Tennis Series 9 | 16 | |||
| Brisbane 7 ITF | 1 | |||
| Cluj-Napoca ITF | 1 | |||
| Gran Canaria ITF | 1 | |||
| Huamantla 3 ITF | 3 | |||
| Kursumlijska Banja 11 ITF | 1 | |||
| Nogent-sur-Marne ITF | 1 | |||
| UTR Pro Match Series | 65 | |||
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