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

EGTB: win in 4 half-moves

# move score
1 Kf7 win in 3 half-moves
2 Kf8 win in 3 half-moves
3 Kg7 win in 3 half-moves
4 Rc8 win in 3 half-moves
5 Rc7 win in 11 half-moves
6 Kc4 draw
7 Kc6 draw
8 Kd6 draw
9 Ke5 draw
10 Ke6 draw
11 Kh7 draw
12 Kh8 draw
13 Ra5 draw
14 Rb5 draw
15 Rc4 draw
16 Rc6 draw
17 Kd4 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves