At the US Open last year, Kostyuk tapped Belarusian Victoria Azarenka’s racquet instead of shaking her hand after their second-round match.

Source: https://www.smh.com.au/sport/tennis/australian-open-2023-live-updates-novak-djokovic-aryna-sabalenka-caroline-garcia-hit-the-court-as-first-round-continues-20230116-p5ccvt.html?ref=rss&utm_medium=rss&utm_source=rss_feed

I think I’m better than before, and I don’t think it affects me as much on a daily basis, but yeah, it’s just—I don’t know,” Kostyuk said, shaking her head.

Source: https://businessmirror.com.ph/2023/05/29/ukraines-kostyuk-booed-at-french-open-after-no-handshake-with-belarus-sabalenka-because-of-war/

Marta Kostyuk won her first career WTA title at age 20 by beating Varvara Gracheva 6-3, 7-5 in the ATX Open final on Sunday, then dedicated the victory to her home country of Ukraine.

Source: https://www.ctvnews.ca/canada/airlines-vital-to-life-in-the-north-facing-headwinds-from-worker-shortages-1.6300374

No reply, nothing, just silence,” Kostyuk said.

Source: https://www.independent.co.uk/sport/tennis/marta-kostyuk-anastasia-potapova-miami-open-b2307398.html

Our tennis pick did not fare as well, as Danielle Collins (+500) fell to eventual winner Martya Kostyuk in the semifinals of the ATX open.

Source: https://harvardindependent.com/2023/04/indy-sportsbook-year-in-review/

"Some wonder why we don't smile at them: 'after all, we didn't do anything wrong, we don't want war'," Kostyuk said.

Source: https://www.insidethegames.biz/articles/1136062/kostyuk-no-more-five-russia-belarus

Ukrainian Kostyuk attracted the ire of the Roland Garros crowd following a 6-3 6-2 victory for Sabalenka.

Source: https://www.expressandstar.com/sport/uk-sports/2023/05/28/marta-kostyuk-booed-for-not-shaking-aryna-sabalenkas-hand-in-french-open-defeat/

When some of those comments were read to Kostyuk, the Ukrainian player voiced criticism of Sabalenka’s failure to come out and say that “she personally doesn’t support this war”.

Source: https://www.france24.com/en/sport/20230529-they-should-be-embarrassed-ukraine-s-kostyuk-calls-out-french-open-crowd-after-boos