| Singles | |
|---|---|
| 2021 Open de Tenis Ciudad de Pozoblanco | |
| Champion |  Altuğ Çelikbilek |
| Runner-up | Cem İlkel |
| Score | 6–1, 6–7(2–7), 6–3 |
Roberto Bautista Agut was the defending champion [1] but chose not to defend his title.
Altuğ Çelikbilek won the title after defeating Cem İlkel 6–1, 6–7(2–7), 6–3 in the final.
Benjamin Bonzi (second round) Grégoire Barrère (semifinals, retired) Altuğ Çelikbilek (champion) Cem İlkel (final) Maxime Janvier (second round)
Borna Gojo (first round)
Yannick Maden (first round)
Nicola Kuhn (first round, retired)| Semifinals | Final | ||||||||||||
| Q |  Michael Geerts | 2 | 77 | 4 | |||||||||
| 4 | Cem İlkel | 6 | 63 | 6 | |||||||||
| 4 | Cem İlkel | 1 | 77 | 3 | |||||||||
| 3 | Altuğ Çelikbilek | 6 | 62 | 6 | |||||||||
| 3 | Altuğ Çelikbilek | 4 | 6 | 1 | |||||||||
| 2 | Grégoire Barrère | 6 | 3 | 1r | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | B Bonzi | 4 | 6 | 6 | |||||||||||||||||||||||
 A Dougaz | 6 | 4 | 3 | 1 | B Bonzi | 63 | 2 | ||||||||||||||||||||
| Q | M Geerts | 6 | 6 | Q | M Geerts | 77 | 6 | ||||||||||||||||||||
 K Uchida | 1 | 2 | Q | M Geerts | 77 | 77 | |||||||||||||||||||||
 M Viola | 6 | 6 | Q |  E Nava | 62 | 63 | |||||||||||||||||||||
 T Bellucci | 1 | 3 | M Viola | 5 | 6 | 3 | |||||||||||||||||||||
| Q | E Nava | 6 | 77 | Q | E Nava | 7 | 4 | 6 | |||||||||||||||||||
| 7 | Y Maden | 1 | 65 | Q | M Geerts | 2 | 77 | 4 | |||||||||||||||||||
| 4 | C İlkel | 6 | 77 | 4 | C İlkel | 6 | 63 | 6 | |||||||||||||||||||
| J Härteis | 2 | 63 | 4 | C İlkel | 6 | 6 | |||||||||||||||||||||
| Alt | C Gómez-Herrera | 6 | 3 | 0 | H Moriya | 3 | 2 | ||||||||||||||||||||
| H Moriya | 3 | 6 | 6 | 4 | C İlkel | 7 | 77 | ||||||||||||||||||||
 T van Rijthoven | 6 | 63 | 7 | T van Rijthoven | 5 | 65 | |||||||||||||||||||||
| R Ortega Olmedo | 3 | 77 | 5 | T van Rijthoven | 6 | 6 | |||||||||||||||||||||
| I Sijsling | 7 | 0 | I Sijsling | 4 | 4 | ||||||||||||||||||||||
| 8 | N Kuhn | 5 | 0r | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | M Janvier | 63 | 6 | 714 | |||||||||||||||||||||||
| Q | M Bourgue | 77 | 2 | 612 | 5 | M Janvier | 64 | 3 | |||||||||||||||||||
| WC | A Barroso Campos | 2 | 4 | A Menéndez Maceiras | 77 | 6 | |||||||||||||||||||||
| A Menéndez Maceiras | 6 | 6 | A Menéndez Maceiras | 3 | 0 | ||||||||||||||||||||||
| Q | M Martineau | 4 | 6 | 4 | 3 | A Çelikbilek | 6 | 6 | |||||||||||||||||||
 T Gabashvili | 6 | 1 | 6 | T Gabashvili | 7 | 3 | 4 | ||||||||||||||||||||
| Alt | S Mansouri | 77 | 1 | 64 | 3 | A Çelikbilek | 5 | 6 | 6 | ||||||||||||||||||
| 3 | A Çelikbilek | 63 | 6 | 77 | 3 | A Çelikbilek | 4 | 6 | 1 | ||||||||||||||||||
| 6 | B Gojo | 4 | 64 | 2 | G Barrère | 6 | 3 | 1r | |||||||||||||||||||
| LL |  F Zeballos | 6 | 77 | LL | F Zeballos | 78 | 6 | ||||||||||||||||||||
 FC Jianu | 6 | 6 | FC Jianu | 66 | 4 | ||||||||||||||||||||||
| WC | N Álvarez Varona | 2 | 4 | LL | F Zeballos | 4 | 3 | ||||||||||||||||||||
 A Andreev | 6 | 6 | 2 | G Barrère | 6 | 6 | |||||||||||||||||||||
| WC | Blas Ruiz Romero | 0 | 0 | A Andreev | 3 | 0 | |||||||||||||||||||||
| Alt | R Roumane | 65 | 3 | 2 | G Barrère | 6 | 6 | ||||||||||||||||||||
| 2 | G Barrère | 77 | 6 | ||||||||||||||||||||||||
This was the second edition of the tournament. There was no defending champion as the tournament was canceled at the quarterfinals stage due to the COVID-19 pandemic.
This was the second of two editions of the tournament in the 2021 tennis season. Benjamin Bonzi was the defending champion but lost in the second round to Jenson Brooksby.
This was the first edition of the tournament.
Víctor Estrella Burgos was the defending champion but chose not to defend his title.
Nicolás Jarry was the defending champion but lost in the final to Emilio Gómez.
Nicola Kuhn was the defending champion but chose not to defend his title.
This was the first edition of the tournament.
Cameron Norrie defeated Nikoloz Basilashvili in the final, 3–6, 6–4, 6–1 to win the men's singles tennis title at the 2021 Indian Wells Masters. It was his first ATP Tour Masters 1000 title, and he became the first Briton to win the title. Basilashvili became the first Georgian to reach a Masters-level final since Alex Metreveli in 1968, and the first to do so while representing Georgia as an independent nation.
This was the first edition of the tournament.
Jack Draper was the defending champion but lost in the first round to Borna Gojo.
James Duckworth was the defending champion but chose not to defend his title.
Liam Broady was the defending champion but chose not to defend his title.
Andrej Martin was the defending champion but chose not to defend his title.
Jack Sock was the defending champion but chose not to defend his title.
Altuğ Çelikbilek was the defending champion and successfully defended his title after Christopher O'Connell retired at 7–6(7–5), 3–1 down in the final.
Altuğ Çelikbilek was the defending champion but lost in the first round to Alejandro Moro Cañas.
Benjamin Bonzi was the defending champion but chose not to defend his title.
Altuğ Çelikbilek was the two-time defending champion but lost in the second round to Antoine Escoffier.
Purav Raja and Divij Sharan were the defending champions but only Sharan chose to defend his title, partnering Niki Kaliyanda Poonacha. Sharan lost in the first round to Altuğ Çelikbilek and Cem İlkel.
Altuğ Çelikbilek and Dmitry Popko were the defending champions but chose not to defend their title.