Nikita Petrovova vs Christina Kallberg | WTT Contender Novo Mesto 2021 | WS | Qual

Kallberg Christina vs Matelova Hana | WTT Contender Tunis | WS | R16

Vivarelli/Piccolin vs Bergstrom/Kallberg | WTT Contender Tunis | WD | SF

Zarif Audrey/Mostafavi Leili vs Bergstrom Linda/Kallberg Christina | WTT Contender Tunis | WD | QF

Anannya Basak vs Christina Kallberg | WTT Contender Tunis | WS | Qual

Olga Vorobeva/Yana Noskova vs Linda Bergstrom/Christina Kallberg | WTT Contender Budapest 2021 (1/2)

M. Tailakova/E. Abraamian vs Linda Bergstrom/Christina Kallberg | WTT Contender Budapest 2021 (1/4)

Christina Kallberg vs Mariia Tailakova | WTT Contender Budapest 2021 (R32)

Selvakumar / Akula vs Bergstrom / Kallberg | WTT Contender Budapest 2021 (R16)

Helga Dari vs Christina Kallberg | WTT Contender Budapest 2021 (Qual)

Linda Zaderova vs Christina Kallberg | WTT Contender Budapest 2021 (Qual)

Christina Kallberg vs Elizabeta Samara | 1/8 European Championships 2021