The Japan Times<p>American Emma Navarro said she put her name on a letter signed by the world's top tennis players that calls&nbsp;for significant improvements in prize money at the four Grand Slams. <a href="https://www.japantimes.co.jp/sports/2025/04/04/tennis/emma-navarro-signs-letter-grand-slams/?utm_medium=Social&amp;utm_source=mastodon" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">japantimes.co.jp/sports/2025/0</span><span class="invisible">4/04/tennis/emma-navarro-signs-letter-grand-slams/?utm_medium=Social&amp;utm_source=mastodon</span></a> <a href="https://mastodon.social/tags/tennis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tennis</span></a> <a href="https://mastodon.social/tags/zhengqinwen" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>zhengqinwen</span></a> <a href="https://mastodon.social/tags/emmanavarro" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>emmanavarro</span></a> <a href="https://mastodon.social/tags/unitedstatestennisassociation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>unitedstatestennisassociation</span></a></p>