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

EGTB: win in 4 half-moves

# move score
1 Kf5 win in 3 half-moves
2 Kd4 draw
3 Kd5 draw
4 Ke5 draw
5 Kf4 draw
6 Kg7 draw
7 Kg8 draw
8 Kh7 draw
9 Ra4 draw
10 Rb4 draw
11 Rc5 draw
12 Rc6 draw
13 Rc7 draw
14 Rc8 draw
15 Kd3 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rd4 loss in 2 half-moves