The 2021 BGL BNP Paribas Luxembourg Open was a professional women's tennis tournament played on indoor hard courts sponsored by BNP Paribas. It was the 25th edition of the Luxembourg Open, and part of the WTA 250 tournaments category of the 2021 WTA Tour. It was held in Kockelscheuer, Luxembourg from 13 to 19 September 2021.[1]
Champions
Singles
Clara Tauson def. 
Jeļena Ostapenko, 6–3, 4–6, 6–4
Doubles
Greet Minnen / Alison Van Uytvanck def. 
Erin Routliffe / Kimberley Zimmermann 6–3, 6–3
Points and prize money
Point distribution
| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q | Q2 | Q1 |
| Singles | 280 | 180 | 110 | 60 | 30 | 1 | 18 | 12 | 1 |
|---|---|---|---|---|---|---|---|---|---|
| Doubles | 1 | — | — | — | — |
Prize money
| Event | W | F | SF | QF | Round of 16 | Round of 321 | Q2 | Q1 |
| Singles | €23,548 | €13,224 | €8,145 | €4,676 | €2,990 | €2,450 | €1,575 | €1,024 |
| Doubles * | €8,306 | €4,838 | €3,064 | €1,854 | €1,412 | — | — | — |
1 Qualifiers prize money is also the Round of 32 prize money
* per team
Singles main draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 SUI
|
Belinda Bencic[2] | 12 | 1 |
| BEL
|
Elise Mertens | 16 | 2 |
| LAT
|
Jeļena Ostapenko | 30 | 3 |
 RUS
|
Ekaterina Alexandrova | 34 | 4 |
 CZE
|
Markéta Vondroušová | 38 | 5 |
 CHN
|
Zhang Shuai | 49 | 6 |
| RUS
|
Liudmila Samsonova | 52 | 7 |
 FRA
|
Alizé Cornet | 56 | 8 |
- Rankings are as of August 30, 2021.
Other entrants
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
Withdrawals
- Before the tournament
- Clara Burel → replaced by Océane Dodin
Andrea Petkovic → replaced by 
Astra Sharma- Kateřina Siniaková → replaced by
Aliaksandra Sasnovich 
Nina Stojanović → replaced by Clara Tauson
Doubles main draw entrants
Seeds
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| CZE
|
Marie Bouzková | CZE
|
Lucie Hradecká | 93 | 1 |
 IND
|
Sania Mirza | CHN
|
Zhang Shuai | 150 | 2 |
 JPN
|
Eri Hozumi | JPN
|
Makoto Ninomiya | 162 | 3 |
| BLR
|
Lidziya Marozava |  ROU
|
Andreea Mitu | 178 | 4 |
- Rankings are as of August 30, 2021.
Other entrants
The following pairs received wildcards into the doubles main draw:
The following pair received entry using a protected ranking:
Withdrawals
- Before the tournament
- Mona Barthel /
Kaitlyn Christian → replaced by Kaitlyn Christian / 
Anna Karolína Schmiedlová
References
- ^ "BGL BNP Paribas Luxembourg Open Overview". wtatennis.com.
- ^ "Die Olympiasiegerin ist in Luxemburg zu Gast". wort.lu.
