Nicolas Mejia and Marek Gengel will clash against each other in the 2^nd round of the Istanbul Challenger for the 1^st time in their career. They are scheduled to compete on Wednesday at 10:30 am on COURT 3. In this post, we analyze their head to head performance and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Nicolas Mejia who should win in 3 sets.

As per the initial odds, Nicolas Mejia is the pick to win this match.
Nicolas Mejia -> 1.49
Marek Gengel -> 2.48

Click here to see the updated quotes and live streaming (only selected countries - USA excluded).

To be able to watch live streaming bet365, a funded account is required or you need to have placed a bet in the last 24 hours. 18+ BeGambleAware.

Here where top tennis events are broadcasted or streamed online (ATP, WTA).

At the challenger level, there will be free live streaming on Challenger TV.

 

Prediction and head to head Nicolas Mejia vs. Marek Gengel

There is no head to head record between Nicolas Mejia and Marek Gengel since this will be the first time that they will play each other in the main tour.

Nicolas Mejia

Ranked no. 246, Mejia got to the 2^nd round after beating Ilya Ivashka 6-2 2-1 ret..

In the 1^st round against Ivashka, the Colombian had a free pass after Ivashka retired on a 6-2 2-1 . scoreline.

Mejia has favorable record in the last 10 years having won 54% of his matches (234-202). 15-16 on hard in 2025. In connection with his performance on the same surface of this tournament, Mejia has an overall 98-90 record in the last years on hard.

His best result of the current season was winning the title the Savannah Challenger where he defeated Liam Draxl in the final 2-6 6-2 7-6(3).

Nicolas has an aggregate 27-23 win-loss record in 2025, 15-16 on hard (See FULL STATS).

Previously in the Istanbul Challenger

Mejia has never competed in this tournament before.

Marek Gengel

Ranked no. 251, Gengel got to the 2^nd round after defeating Benjamin Hassan 6-4 3-6 6-2.

In the 1^st round, The Czech defeated Hassan (6-4 3-6 6-2). During the match Gengel scored 82 points vs Hassan’s 74. The Czech was exceptionally aggressive to blast 27 winners.

About the serving games, Gengel fired 10 aces and he committed only 5 double faults. Marek Gengel lost the serve 4 times. Furthermore, Gengel put 49% of his first serves in, winning 75% (27/36) of the points behind his 1st serve and 50% (19/38) on the 2nd serve. Marek broke Hassan 5 times after converting 63% of his break points (5/8).

Gengel’s best result of the current year was reaching the final in the Brisbane 1 Challenger.

The Czech has an aggregate 16-21 win-loss record in 2025, 16-19 on hard (See FULL STATS).

H2H Performance in the tournament

Matches, sets, games and points

Points	Mejia	Gengel
Match played	1	1
Tot Set	3	3
Tot Games	11	27
Pts	41-26	82-74
Total Points	67	156
Winners	16	27
%Winners	39%	33%

Both Mejia and Gengel played 1 match. At the moment, Marek Gengel dropped 1 set while Nicolas Mejia hasn’t lost a set so far. Talking about their workload, Mejia and Gengel have played the same amount of sets 3. However, Mejia played 16 games less than Gengel. Nicolas scored 16 winners (39% of the total points). On the other side, The Czech recorded 27 winners (33%).

Serve Performance

Serve	Mejia	Gengel
Aces	1	10
Avg per match	1	10
1st in	22/28	36/74
%1st in	79%	49%
1st pts	16/22	27/36
%1st pts	73%	75%
2nd pts	5/6	19/38
%2nd pts	83%	50%

Mejia blasted 1 ace . Gengel also recorded 10 aces . Mejia won 73% points on his first serve. He pretty solid on his second serve to win 83% of the points. On the other side, Gengel won 75% of the points behind his first serve. He had a solid display on his second serve to win 50% of the points.

How they played the important points

Breaks	Mejia	Gengel
Won	3	5
Converted	3/4	5/8
% Converted	75%	63%
Conceded	2	4
Saved	2	0
% Saved	100%	0%
Times Broken	0	4

Nicolas broke his opponent 3 times with a 75% conversion rate. Mejia was rock solid on his serve as he has never lost a single service game after saving 2 break points. Gengel broke his opponent 5 times with a 63% conversion rate. Gengel conceded his serve 4 times and he saved 0% of the break points that he conceded.

Mejia
	R1 Ivashka	Total
Score	6-2 2-1 ret.
Tot Set	2	2
Tot Games	11	11
pts	41-26	41-26
Total points	67	67
Winners	16	16
%Winners	39%	39%
SERVE
Aces	1	1
Double Faults	0	0
1st in	22/28	22/28
% 1st in	79%	79%
1st pts	16/22	16/22
% 1st pts	73%	73%
2nd pts	5/6	5/6
% 2nd pts	83%	83%
Breaks
Won	3	3
Converted	3/4	3/4
Converted %	75%	75%
Conceded	2	2
Saved	2/2	2
Saved %	100%	100%
Times Broken	0	0

Gengel
	R1 Hassan	Total
Score	6-4 3-6 6-2
Tot Set	3	3
Tot Games	27	27
pts	82-74	82-74
Total points	156	156
Winners	27	27
%Winners	33%	33%
SERVE
Aces	10	10
Double Faults	5	5
1st in	36/74	36/74
% 1st in	49%	49%
1st pts	27/36	27/36
% 1st pts	75%	75%
2nd pts	19/38	19/38
% 2nd pts	50%	50%
Breaks
Won	5	5
Converted	5/8	5/8
Converted %	63%	63%
Conceded	4	4
Saved	0/4	0
Saved %	0%	0%
Times Broken	4	4

Tennis Scores in Istanbul Challenger

• Marek GengelGengel – Benjamin HassanHassan (6-4 3-6 6-2) – See score progression
• Otto VirtanenVirtanen – Pavel KotovKotov (6-4 6-2) – See score progression
• Abedallah ShelbayhShelbayh – Moez EcharguiEchargui (6-4 6-4) – See score progression
• Alex MolcanMolcan – Ivan NedelkoNedelko (6-4 1-0 ret.) – See score progression
• Alastair GrayGray – Marc-Andrea HueslerHuesler (6-3 2-6 6-4) – See score progression
• Milos KarolKarol – Michal KrajciKrajci (6-3 6-2) – See score progression
• Calvin HemeryHemery – Peter MakkMakk (6-4 6-4) – See score progression
• Norbert GombosGombos – Rodrigo Pacheco MendezPacheco Mendez (6-2 2-6 7-6⁵) – See score progression
• Hugo GrenierGrenier – Juan Alejandro HernandezAlejandro Hernandez (7-6⁵ 6-3) – See score progression
• Nicolas MejiaMejia – Ilya IvashkaIvashka (6-2 2-1 ret.) – See score progression
• Martin LandaluceLandaluce – Vadym UrsuUrsu (6-3 6-0) – See score progression
• Luca PotenzaPotenza – Koray KirciKirci (7-5 7-5) – See score progression
• Mert Naci TurkerNaci Turker – Kaya ArincArinc (7-6³ 6-2) – See score progression
• Stefanos SakellaridisSakellaridis – Christian LangmoLangmo (4-6 6-3 6-4) – See score progression
• Lukas KleinKlein – Saba PurtseladzePurtseladze (6-4 6-3) – See score progression
• Viktor DurasovicDurasovic – Mats RosenkranzRosenkranz (7-6⁵ 6-3) – See score progression
• Norbert GombosGombos – Rodrigo Pacheco MendezPacheco Mendez (6-2 2-6 7-6(5)) – See score progression

Upcoming matches in the draw

• Norbert GombosGombos – Luca PotenzaPotenza (0-0) – H2H and prediction
• Hugo GrenierGrenier – Alastair GrayGray (1-0) – H2H and prediction
• Mert Naci TurkerNaci Turker – Calvin HemeryHemery (0-0) – H2H and prediction
• Alex MolcanMolcan – (0-0) – H2H and prediction
• Nicolas MejiaMejia – Marek GengelGengel (0-0) – H2H and prediction
• Lukas KleinKlein – (0-1) – H2H and prediction