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

EGTB: win in 4 half-moves

# move score
1 Ka4 win in 3 half-moves
2 Ka5 win in 3 half-moves
3 Ka6 win in 3 half-moves
4 Kb2 win in 3 half-moves
5 Kb4 win in 3 half-moves
6 Kc2 win in 3 half-moves
7 Kc4 win in 3 half-moves
8 Kc5 win in 3 half-moves
9 Kc6 win in 3 half-moves
10 Kd2 win in 3 half-moves
11 Rb6 win in 3 half-moves
12 Rc8 win in 3 half-moves
13 Kb1 draw
14 Kb6 draw
15 Kd1 draw
16 Ra8 draw
17 Rb7 draw
18 Rd8 draw
19 Re8 draw
20 Rf8 draw
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves