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Singles
2025 Nonthaburi Challenger II
Final
Champion	Rio Noguchi
Runner-up	Cui Jie
Score	7–6, 6–2
Events
Singles Doubles
← 2025 · Nonthaburi Challenger · 2025 →

Aslan Karatsev was the defending champion but lost in the second round to Marat Sharipov.

Rio Noguchi won the title after defeating Cui Jie 7–6, 6–2 in the final.

Seeds

1. Hsu Yu-hsiou (second round)
2. Francesco Maestrelli (second round)
3. Gonzalo Oliveira (withdrew)
4. Bai Yan (first round)
5. Marek Gengel (first round, retired)
6. Sun Fajing (first round)
7. Geoffrey Blancaneaux (first round)
8. Rémy Bertola (first round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Finals

	Semifinals							Final
		Rio Noguchi	7	6	6
		Murphy Cassone	5	7	3
									Rio Noguchi	7	6
									Cui Jie	6	2
		Marat Sharipov	6	3	6
		Cui Jie	3	6	7

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	Y-h Hsu	6	6
	Q	K Isomura	2	1				1	Y-h Hsu	2	1
	WC	Maximus Jones	6	6	6			WC	M Jones	6	6
	Q	B Paire	7	3	4										WC	M Jones	6	1	0
	WC	Thanapet Chanta	5	3												R Noguchi	3	6	6
		R Noguchi	7	6					R Noguchi	6	6
		C Denolly	7	4	6				C Denolly	3	3
	6	F Sun	6	6	4																		R Noguchi	7	6	6
	LL	N Oberleitner	4	6																			M Cassone	5	7	3
	Q	J Paul	6	7				Q	J Paul	6	6
		E Dalla Valle	6	6					E Dalla Valle	3	4
	Q	Hikaru Shiraishi	0	2											Q	J Paul	6	6
		O Prihodko	6	3	4											M Cassone	7	7
		Andre Ilagan	3	6	6				A Ilagan	2	3
		M Cassone	6	6					M Cassone	6	6
	8	R Bertola	4	1

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	M Gengel	1
		H Moriya	5						H Moriya	4	4
	Q	Y Takahashi	2	7	3			Q	Y Takahashi	6	6
		M Imamura	6	6	1										Q	Y Takahashi	3	6	2
		Marat Sharipov	6	6												M Sharipov	6	4	6
	Q	Z Kolář	3	4					M Sharipov	7	5	6
		A Karatsev	7	2	7				A Karatsev	6	7	4
	4	Y Bai	5	6	6																		M Sharipov	6	3	6
	7	G Blancaneaux	0	4																			J Cui	3	6	7
	Alt	D Michalski	6	6				Alt	D Michalski	1	6	7
		J Sels	7	6					J Sels	6	1	6
		C Tabur	6	3											Alt	D Michalski	6	3	6
	WC	W Trongcharoenchaikul	4	2												J Cui	2	6	7
		J Cui	6	6					J Cui	6	6
		Christian Langmo	6	1	3			2	F Maestrelli	4	2
	2	F Maestrelli	4	6	6

References

1. Escudero, Daniel (January 4, 2025). "Inicio soñado de 2025: Karatsev se corona en el Challenger Nonthaburi". canaltenis.com.

External links

• Main draw
• Qualifying draw

• 2025 ATP Challenger Tour