Onclin vs Struff Prediction 21 October 2026
🔊 In the second round in Brussels, we have an intriguing match: local youngster Gauthier Onclin takes on seasoned German campaigner Jan-Lennard Struff. The gap in class is enormous, but Onclin's lucky-loser status and home crowd support are exactly the kind of factors that can turn a routine match into something more dramatic.
Head-to-Head
Onklin and Struff have never met on court before. This will be their first career meeting.
Gauthier Onclin Player Overview
Onclin is currently languishing outside the top 200 and spending most of his time on the Challenger circuit. He arrived in Brussels in poor form - at a recent indoor event in France he lost in the first round without making any impression. At home, Gauthier had actually already lost in the qualifying final to the Frenchman Chidekh and was preparing to watch the tournament on television. But he got extremely lucky: someone withdrew, and he squeezed into the main draw as a lucky loser - straight into the second round, no less. For him, this is a jackpot. Onclin has nothing to lose and no pressure whatsoever, so in front of his home crowd he will certainly give everything and try to ride the momentum.
Match Results: Gauthier Onclin
Jan-Lennard Struff Player Overview
Struff is all about power. At 36, the German is firmly ensconced in the top 60 and can still produce a serve that opponents find very difficult to handle. He had a tough run in Asia in the autumn, though that was largely down to running into Daniil Medvedev twice in a row - a particularly awkward opponent for Jan-Lennard. In Brussels, though, Struff made an immediate statement. In the first round he outclassed a solid Marcos Giron 7-6, 7-6. He did it in the most composed fashion: piling up aces, not giving the American a single break point, and coolly taking both sets in tie-breaks. It is clear that his powerful game suits the indoor conditions here perfectly.
Match Results: Jan-Lennard Struff
Key factors
- Jan-Lennard Struff has considerably more experience at tournaments of this level.
- Gauthier Onclin is ranked lower in the world rankings.
- Gauthier Onclin has already lost at this tournament - in the qualifying final.
Expected scenario
Upsets happen in tennis, but objectively Struff is too good and too consistent indoors right now to lose this match to a player who could not even get through qualifying. Jan-Lennard will look to seize control from the off, pressing his young opponent with power from the baseline. Onklin will struggle to handle that pace, and his best chance lies in riding his momentum, extending rallies as much as possible and hoping the German veteran's serve loses its accuracy. That said, Struff's class and recent match practice make him the clear favourite here.
⭐ Editor's Pick
Jan-Lennard Struff is a different animal indoors - his powerful serve gives opponents almost no chance to break, as we saw in his match against the solid Giron. Onclin has barely made it this far, and producing something extraordinary against that kind of firepower will be extremely difficult. The Belgian will inevitably start to feel the pressure, so Struff should need only one break per set to take the match with the margin we need. Even if it goes to a tie-break in one set, the difference in class and physicality will tell in the second, producing a comfortable set for the favourite. The pick is Jan-Lennard Struff - Games Handicap -3.5.
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