At the 2016 World Karate Championships held in Linz, Austria, she won one of the bronze medals in the women's kumite 61 kg event.

At the 2017 World Games held in Wrocław, Poland, Suchánková won the bronze medal in the women's kumite 61 kg event.

[5] In November 2021, she lost her bronze medal match in the women's 61 kg event at the World Karate Championships held in Dubai, United Arab Emirates.

[6] Suchánková won the bronze medal in the women's 61 kg event at the 2022 World Games held in Birmingham, United States.

[7] She won the gold medal in the women's 61 kg event at the 2024 European Karate Championships held in Zadar, Croatia.