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

EGTB: win in 4 half-moves

# move score
1 Kc5 win in 3 half-moves
2 Kd8 win in 3 half-moves
3 Ka5 win in 9 half-moves
4 Kb5 win in 9 half-moves
5 Kd7 win in 9 half-moves
6 Ke7 win in 9 half-moves
7 Rb8 win in 17 half-moves
8 Ra7 win in 19 half-moves
9 Ka3 draw
10 Ka4 draw
11 Kb3 draw
12 Kc3 draw
13 Kc4 draw
14 Kf7 draw
15 Kf8 draw
16 Rb5 draw
17 Rb6 draw
18 Rc7 draw
19 Rd7 draw
20 Rh7 draw
21 Re7 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rg7 loss in 2 half-moves