H2H data updated: 2026-08-31 00:00 UTC

Jan-Lennard Struff vs Mackenzie McDonald H2H: 2-0

Jan-Lennard Struff holds a 2–0 lead over Mackenzie McDonald in their ATP head-to-head. Across 2 main-draw meetings, Jan-Lennard Struff leads 2–0 on hard courts. Most recently, Jan-Lennard Struff won the 2025 Almaty Open first round 2-6 6-3 6-4.

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Jan-Lennard Struff
Germany Age 36 Right-Handed 193 cm / 6'4"
H2H
2 – 0
2 main draw meetings
Mackenzie McDonald
United States Age 31 Right-Handed 178 cm / 5'10"

H2H Match Log

WinnerScoreLoserMatch DataDateRoundTournamentCategorySurface
Jan-Lennard Struff #98 2-6 6-3 6-4 Mackenzie McDonald #99 Match data Oct 16, 2025* R32 Almaty Open ATP 250 Hard
Jan-Lennard Struff #144 3-6 7-6(4) 6-3 6-3 Mackenzie McDonald #100 Match data Aug 26, 2025* R128 US Open Grand Slam Hard

Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 including documented historical predecessor categories Finals 500 including documented historical predecessor categories 250 including documented historical predecessor categories Titles
Jan-Lennard Struff #44 #21 1,628 2,001 229 266 46.3% 0 0 0 0 1 1
Mackenzie McDonald #146 #37 1,146 1,869 113 148 43.3% 0 0 0 0 0 0

Career Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.

Age Jan-Lennard Struff Mackenzie McDonald
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 — — — — — — — 2013 0–1 0.0% — 1,532 0 0
21 — — — — — — — 2016 0–3 0.0% #321 1,452 0 0
23 2013 4–9 30.8% #107 1,585 0 0 2018 9–13 40.9% #78 1,693 0 0
24 2014 15–17 46.9% #59 1,721 0 0 2019 10–12 45.5% #129 1,716 0 0
25 2015 4–18 18.2% #107 1,625 0 0 2020 4–8 33.3% #193 1,684 0 0
26 2016 11–18 37.9% #63 1,784 0 0 2021 18–19 48.6% #55 1,789 0 0
27 2017 27–28 49.1% #53 1,856 0 0 2022 26–28 48.1% #63 1,721 0 0
28 2018 23–24 48.9% #57 1,856 0 0 2023 31–27 53.4% #41 1,831 0 0
29 2019 34–27 55.7% #35 1,883 0 0 2024 4–13 23.5% #131 1,673 0 0
30 2020 11–14 44.0% #36 1,821 0 0 2025 9–18 33.3% #114 1,644 0 0
31 2021 23–27 46.0% #51 1,765 0 0 2026 2–6 25.0% #146 1,580 0 0
32 2022 3–10 23.1% #150 1,677 0 0 — — — — — — —
33 2023 20–17 54.1% #25 1,806 0 0 — — — — — — —
34 2024 28–21 57.1% #42 1,883 0 1 — — — — — — —
35 2025 14–21 40.0% #83 1,822 0 1 — — — — — — —
36 2026 12–15 44.4% #44 1,794 0 1 — — — — — — —

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Age Jan-Lennard Struff Mackenzie McDonald
Yr HardClayGrass Yr HardClayGrass
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
18 — — — — — — — — — — — — — 2013 0 1 1 0.0% — — — — — — — —
21 — — — — — — — — — — — — — 2016 0 2 2 0.0% — — — — 0 1 1 0.0%
23 2013 1 3 4 25.0% 2 4 6 33.3% 1 2 3 33.3% 2018 4 10 14 28.6% 0 1 1 0.0% 5 2 7 71.4%
24 2014 9 8 17 52.9% 5 6 11 45.5% 1 3 4 25.0% 2019 8 7 15 53.3% 2 5 7 28.6% — — — —
25 2015 4 8 12 33.3% 0 7 7 0.0% 0 3 3 0.0% 2020 3 7 10 30.0% 1 1 2 50.0% — — — —
26 2016 7 9 16 43.8% 3 6 9 33.3% 1 3 4 25.0% 2021 16 16 32 50.0% 2 2 4 50.0% 0 1 1 0.0%
27 2017 16 15 31 51.6% 10 10 20 50.0% 1 3 4 25.0% 2022 20 20 40 50.0% 3 4 7 42.9% 3 4 7 42.9%
28 2018 13 13 26 50.0% 8 8 16 50.0% 2 3 5 40.0% 2023 25 17 42 59.5% 0 5 5 0.0% 6 5 11 54.5%
29 2019 17 17 34 50.0% 11 7 18 61.1% 6 3 9 66.7% 2024 1 7 8 12.5% 0 3 3 0.0% 3 3 6 50.0%
30 2020 10 11 21 47.6% 1 3 4 25.0% — — — — 2025 6 13 19 31.6% 1 2 3 33.3% 2 3 5 40.0%
31 2021 11 16 27 40.7% 11 8 19 57.9% 1 3 4 25.0% 2026 1 4 5 20.0% 1 1 2 50.0% 0 1 1 0.0%
32 2022 2 6 8 25.0% 0 1 1 0.0% 1 3 4 25.0% — — — — — — — — — — — — —
33 2023 6 10 16 37.5% 9 5 14 64.3% 5 2 7 71.4% — — — — — — — — — — — — —
34 2024 7 12 19 36.8% 15 6 21 71.4% 6 3 9 66.7% — — — — — — — — — — — — —
35 2025 8 11 19 42.1% 3 7 10 30.0% 3 3 6 50.0% — — — — — — — — — — — — —
36 2026 2 8 10 20.0% 4 4 8 50.0% 6 3 9 66.7% — — — — — — — — — — — — —
Career — 113 147 260 43.5% 82 82 164 50.0% 34 37 71 47.9% — 84 104 188 44.7% 10 24 34 29.4% 19 20 39 48.7%

Performance Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 487/498 of Jan-Lennard Struff's and 258/261 of Mackenzie McDonald's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.

Age Jan-Lennard Struff Mackenzie McDonald
Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts% Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts%
18 — —/— — — — — — — — — — 2013 1/1 1.0 5.0 65.5% 58.3% 15.8% 61.5% 0.0% 43.6% 18.9%
21 — —/— — — — — — — — — — 2016 3/3 1.7 2.0 56.7% 59.6% 41.4% 39.8% 26.1% 50.8% 37.4%
23 2013 13/13 6.5 4.1 61.6% 71.3% 49.5% 45.8% 36.0% 62.6% 37.0% 2018 22/22 5.0 4.0 64.3% 70.1% 51.2% 65.1% 37.9% 63.2% 33.7%
24 2014 32/32 6.2 2.3 58.5% 73.9% 51.7% 59.7% 39.0% 64.5% 35.9% 2019 22/22 4.4 2.5 62.0% 67.5% 52.1% 63.5% 47.9% 61.6% 35.4%
25 2015 22/22 9.3 4.8 59.2% 75.0% 45.5% 55.1% 37.8% 62.7% 32.6% 2020 12/12 5.1 2.3 64.7% 66.4% 50.1% 45.0% 42.7% 60.4% 37.0%
26 2016 28/29 7.2 4.5 52.7% 76.8% 50.3% 54.3% 39.2% 64.3% 36.3% 2021 36/37 6.4 2.3 64.3% 70.7% 52.1% 60.0% 38.8% 64.0% 36.4%
27 2017 55/55 8.3 4.3 53.2% 77.9% 50.3% 63.5% 39.5% 65.0% 34.8% 2022 54/54 5.3 2.1 65.1% 69.2% 50.7% 57.6% 44.4% 62.7% 37.8%
28 2018 47/47 10.3 4.3 56.2% 76.6% 48.5% 58.8% 46.1% 64.2% 35.2% 2023 58/58 4.8 2.3 63.2% 71.0% 50.8% 60.0% 44.3% 63.7% 38.7%
29 2019 61/61 11.0 2.8 55.8% 79.2% 51.8% 65.6% 39.6% 67.3% 36.4% 2024 17/17 3.8 3.2 65.3% 65.6% 47.3% 49.7% 52.0% 59.3% 37.4%
30 2020 25/25 8.9 2.9 55.4% 75.8% 47.9% 64.2% 32.8% 63.3% 37.5% 2025 25/27 5.8 2.5 65.6% 68.8% 51.2% 51.4% 42.0% 62.8% 33.1%
31 2021 47/50 9.2 4.0 55.5% 74.0% 47.9% 55.8% 33.9% 62.4% 36.6% 2026 8/8 3.4 2.4 61.5% 60.6% 51.4% 61.9% 29.4% 57.1% 34.6%
32 2022 13/13 10.5 3.8 57.3% 75.3% 49.0% 55.4% 34.9% 64.1% 32.8% — —/— — — — — — — — — —
33 2023 37/37 9.7 3.6 58.6% 75.2% 50.5% 64.9% 44.3% 65.2% 34.9% — —/— — — — — — — — — —
34 2024 46/49 10.0 4.4 57.9% 77.6% 52.3% 65.0% 35.8% 66.9% 37.1% — —/— — — — — — — — — —
35 2025 34/35 9.4 3.5 58.6% 74.1% 49.2% 50.2% 30.1% 63.6% 34.0% — —/— — — — — — — — — —
36 2026 27/30 11.0 3.9 57.9% 72.6% 49.3% 61.9% 34.3% 63.0% 33.5% — —/— — — — — — — — — —
Career — 487/498 9.3 3.8 56.6% 75.9% 49.8% 60.0% 38.0% 64.6% 35.5% — 258/261 5.1 2.5 64.0% 68.9% 50.6% 57.9% 42.7% 62.3% 36.6%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics are precomputed from eligible main-draw results; point-stat values use the available detailed sample. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.

Age Jan-Lennard Struff Mackenzie McDonald
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Schedule
18 — — — — — — — — — — — — — — — 2013 1533 107.8 -0.51 -5.05 0.336 33.7% — — — 0.0% -5.00 — — +0.12
19 2009 1452 96.1 — — — — — — — — — — — — 2014 1508 96.6 — — — — — — — — — — — —
20 2010 1437 107.1 — — — — — — — — — — — — 2015 1514 102.1 — — — — — — — — — — — —
21 2011 1417 99.5 — — — — — — — — — — — — 2016 1453 99.0 -3.67 -0.14 0.761 43.6% — — — 22.2% -2.33 0–1 — +0.39
22 2012 1380 96.0 — — — — — — — — — — — — 2017 1494 112.6 — — — — — — — — — — — —
23 2013 1586 121.5 -1.23 +0.31 0.991 49.6% -69 -29 +15 38.9% -0.39 1–2 (33%) 1–7 (13%) +0.50 2018 1693 138.9 -0.75 -0.63 0.915 48.6% -67 — +44 46.9% -0.33 2–7 (22%) 6–3 (67%) -0.67
24 2014 1722 139.8 +0.16 -0.05 1.012 50.3% -12 -77 -156 40.3% -0.42 7–3 (70%) 3–8 (27%) -0.72 2019 1716 136.7 -1.42 -0.44 0.921 48.6% +31 -201 — 45.8% -0.63 5–4 (56%) 4–4 (50%) -0.96
25 2015 1625 133.3 -1.42 -2.36 0.872 47.8% +51 -34 -85 30.6% -0.89 4–8 (33%) 6–12 (33%) -0.45 2020 1685 130.1 -2.02 +0.42 0.934 48.6% -3 — — 41.7% -0.61 1–4 (20%) 2–2 (50%) +0.44
26 2016 1784 143.3 +0.54 +0.57 1.018 50.3% +5 -104 -264 42.7% -0.23 4–8 (33%) 8–5 (62%) -0.92 2021 1790 150.3 +0.66 +0.11 1.010 49.9% +3 -112 — 51.5% +0.02 3–7 (30%) 8–6 (57%) -1.28
27 2017 1856 152.0 +1.05 -0.70 0.994 50.1% -7 -109 -333 47.3% -0.08 8–8 (50%) 11–18 (38%) -1.13 2022 1722 146.9 -0.59 +0.89 1.013 50.5% +22 -38 +30 51.4% +0.14 6–13 (32%) 12–13 (48%) +0.01
28 2018 1857 148.2 +0.47 -0.42 0.985 49.9% -17 -133 -246 49.6% -0.05 9–10 (47%) 15–14 (52%) -0.96 2023 1831 151.2 -0.07 +2.04 1.066 50.8% +40 -249 -65 51.9% +0.16 7–8 (47%) 10–12 (45%) -1.17
29 2019 1884 157.4 +2.72 +1.70 1.113 51.5% -64 +3 -176 54.2% +0.38 10–10 (50%) 13–15 (46%) -2.42 2024 1673 119.4 -4.03 +1.35 0.918 48.0% +52 -139 +35 34.7% -0.80 2–5 (29%) 1–5 (17%) -0.82
30 2020 1821 155.2 +0.74 +0.67 1.021 50.2% +13 -16 — 47.0% -0.03 3–5 (38%) 4–7 (36%) -1.42 2025 1645 131.5 -0.75 -1.95 0.890 48.2% +9 -139 +82 38.4% -0.73 6–9 (40%) 4–10 (29%) -2.31
31 2021 1766 144.6 -0.12 -0.04 0.974 49.4% -30 +102 -91 47.6% -0.24 6–10 (38%) 12–11 (52%) -0.32 2026 1580 117.4 -2.41 -0.48 0.808 46.8% +41 — — 26.3% -1.32 — — -0.22
32 2022 1677 122.0 +0.37 -2.56 0.912 48.2% -3 — -65 33.3% -0.61 2–4 (33%) 1–7 (13%) -0.69 — — — — — — — — — — — — — — —
33 2023 1807 145.1 +1.27 -0.07 1.005 50.1% -83 +104 -90 51.6% +0.11 10–8 (56%) 11–11 (50%) -0.08 — — — — — — — — — — — — — — —
34 2024 1883 151.8 +3.06 +1.41 1.121 51.7% -174 +103 -53 58.6% +0.42 8–10 (44%) 25–16 (61%) -2.74 — — — — — — — — — — — — — — —
35 2025 1823 139.7 -0.04 -0.88 0.935 48.5% -52 +32 -3 42.1% -0.60 5–4 (56%) 7–10 (41%) -2.29 — — — — — — — — — — — — — — —
36 2026 1794 128.3 -0.53 -1.50 0.905 48.5% -139 +2 +119 45.0% -0.49 7–6 (54%) 10–9 (53%) -1.16 — — — — — — — — — — — — — — —
Career — 2001 149.8 +0.84 -0.03 1.003 50.0% -39 -4 -95 47.2% -0.13 84–96 (47%) 127–150 (46%) -3.01 — 1869 144.1 -0.78 +0.45 0.971 49.4% +16 -145 +12 46.3% -0.27 32–58 (36%) 47–55 (46%) -2.48

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.