Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rd4 win in 1 half-moves
2 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kb4 draw
6 Kb6 draw
7 Kc5 draw
8 Kc6 draw
9 Ra4 draw
10 Rb4 draw
11 Rc1 draw
12 Rc2 draw
13 Rc3 draw
14 Rc5 draw
15 Rc6 draw
16 Rc7 draw
17 Re4 draw
18 Rf4 draw
19 Rg4 draw
20 Rc8 loss in 2 half-moves
21 Rh4 loss in 2 half-moves