Barbora Krejčíková and Kateřina Siniaková
... that at the Grand Slams in tennis, Barbora Krejčíková and Kateřina Siniaková are on a 24-match winning streak?
... that at the <a href="./Grand_Slam_(tennis)" id="mwBIU" rel="mw:WikiLink" title="Grand Slam (tennis)">Grand Slams</a> in tennis, <b id="mwBIY"><a href="./Krejčíková–Siniaková_doubles_team" id="mwBIc" rel="mw:WikiLink" title="Krejčíková–Siniaková doubles team">Barbora Krejčíková and Kateřina Siniaková</a></b> <i id="mwBIg">(pictured)</i> are on a 24-match winning streak?