H2H data updated: 2026-09-24 00:00 UTC

Adolfo Daniel Vallejo vs Juncheng Shang H2H: 0-1

Juncheng Shang holds a 1–0 lead over Adolfo Daniel Vallejo in their ATP head-to-head. Across 1 main-draw meeting, Juncheng Shang leads 1–0 on hard courts. Most recently, Juncheng Shang won the 2026 Canadian Open first round 6-3 6-3.

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Adolfo Daniel Vallejo
Paraguay Age 22 Right-Handed 185 cm / 6'1"
H2H
0 – 1
1 main-draw meetings
Juncheng Shang
China Age 21 Left-Handed 180 cm / 5'11"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Juncheng Shang #270 6-3 6-3 Adolfo Daniel Vallejo #65 Match data Aug 2, 2026 R128 Canadian Open Masters 1000 Hard

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
Adolfo Daniel Vallejo #58 #58 954 1,663 11 12 47.8% 0 0 0 0 0 0
Juncheng Shang #253 #47 1,115 1,911 40 47 46.0% 0 0 0 0 1 1

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 Adolfo Daniel Vallejo Juncheng Shang
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 — — — — — — — 2022 0–3 0.0% #192 1,505 0 0
18 — — — — — — — 2023 4–8 33.3% #183 1,615 0 0
19 — — — — — — — 2024 25–19 56.8% #50 1,842 0 1
20 — — — — — — — 2025 6–8 42.9% #253 1,764 0 1
21 — — — — — — — 2026 5–9 35.7% #253 1,716 0 1
22 2026 11–12 47.8% #58 1,622 0 0 — — — — — — —

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. 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 Adolfo Daniel Vallejo Juncheng Shang
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
16 — — — — — — — — — — — — — — — — 2021 1486 98.4 — — — — — — — — — — — — —
17 — — — — — — — — — — — — — — — — 2022 1506 103.3 -1.53 -2.61 0.784 44.7% — — — 14.3% -1.86 0–1 1–0 — +0.16
18 — — — — — — — — — — — — — — — — 2023 1616 128.1 -1.70 -0.52 0.920 48.6% +20 — — 42.9% -0.43 1–5 (17%) 1–3 (25%) 94.6 -0.07
19 — — — — — — — — — — — — — — — — 2024 1843 142.5 +0.35 +0.35 1.016 50.2% -4 -288 -137 58.6% +0.18 9–8 (53%) 16–8 (67%) 103.9 -1.03
20 — — — — — — — — — — — — — — — — 2025 1764 128.1 +0.95 -0.70 1.038 49.9% 0 — — 47.1% +0.18 3–3 (50%) 3–6 (33%) 96.3 +0.53
21 2025 1485 99.3 — — — — — — — — — — — — — 2026 1716 130.6 -0.14 -2.22 0.895 48.4% -17 — — 42.9% -0.37 1–3 (25%) 2–4 (33%) 94.2 -0.48
22 2026 1622 126.9 -1.61 +1.45 1.001 50.1% -33 +47 — 48.1% -0.07 1–4 (20%) 3–5 (38%) 95.6 +0.47 — — — — — — — — — — — — — — — —
Career — 1664 120.5 -1.61 +1.45 1.001 50.1% -33 +47 — 48.1% -0.07 1–4 (20%) 3–5 (38%) 95.6 +2.04 — 1911 137.9 +0.02 -0.44 0.976 49.4% -2 -288 -137 50.5% -0.07 14–20 (41%) 23–21 (52%) 94.1 -1.05

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.