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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Ka5 win in 5 half-moves
3 Kb3 win in 5 half-moves
4 Kb4 win in 5 half-moves
5 Kc7 win in 5 half-moves
6 Kc6 win in 11 half-moves
7 Kd6 win in 13 half-moves
8 Ra7 win in 17 half-moves
9 Ra8 win in 23 half-moves
10 Kd8 win in 31 half-moves
11 Kc8 win in 33 half-moves
12 Ka3 draw
13 Ke7 draw
14 Ke8 draw
15 Ra5 draw
16 Rb6 draw
17 Rc6 draw
18 Rd6 draw
19 Re6 draw
20 Rf6 draw
21 Ke6 loss in 2 half-moves
22 Rg6 loss in 2 half-moves
23 Rh6 loss in 2 half-moves