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 Kd7 draw
3 Kd8 draw
4 Kf7 draw
5 Kf8 draw
6 Kg1 draw
7 Kg2 draw
8 Kh2 draw
9 Ra4 draw
10 Rb4 draw
11 Rc4 draw
12 Rd4 draw
13 Re1 draw
14 Re2 draw
15 Re3 draw
16 Re5 draw
17 Re6 draw
18 Re7 draw
19 Rf4 draw
20 Ke7 loss in 2 half-moves
21 Rg4 loss in 1 half-moves