2021 Biella Challenger VII

Country	Player	Rank1	Seed
PER	Juan Pablo Varillas	130	1
SRB	Nikola Milojević	140	2
GER	Daniel Altmaier	145	3
SRB	Danilo Petrović	165	4
POR	Frederico Ferreira Silva	168	5
POL	Kacper Żuk	173	6
SVK	Martin Kližan	176	7
ITA	Lorenzo Giustino	178	8

• Rankings are as of 24 May 2021.^[1]

The following players received wildcards into the singles main draw:

• Flavio Cobolli
• Stefano Napolitano
• Luca Nardi

The following players received entry into the singles main draw as special exempts:

• Gastão Elias
• Holger Rune

The following players received entry from the qualifying draw:

• Jacopo Berrettini
• Raúl Brancaccio
• Hugo Grenier
• Camilo Ugo Carabelli

• Holger Rune def. Marco Trungelliti 6–3, 5–7, 7–6^(7–5).

• Tomás Martín Etcheverry / Renzo Olivo def. Luis David Martínez / David Vega Hernández 3–6, 6–3, [10–8].