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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Kc2 win in 3 half-moves
3 Kcb4 win in 3 half-moves
4 Kd2 win in 3 half-moves
5 Kd3 win in 3 half-moves
6 Kd4 win in 3 half-moves
7 Ra8 win in 3 half-moves
8 Rd8 win in 3 half-moves
9 Ka4 draw
10 Ka5 draw
11 Ka6 draw
12 Kb3 draw
13 Kb6 draw
14 Kbb4 draw
15 Kbc4 draw
16 Kc5 draw
17 Kc6 draw
18 Kcc4 draw
19 Rb8 draw
20 Rc7 draw
21 Re8 draw
22 Rc4 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rc6 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves