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

EGTB: win in 2 half-moves

# move score
1 Rh4 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 Rc1 draw
11 Rc2 draw
12 Rc3 draw
13 Rc5 draw
14 Rc7 draw
15 Rc8 draw
16 Rd4 draw
17 Re4 draw
18 Rg4 draw
19 Rb4 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rf4 loss in 2 half-moves