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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kc1 win in 3 half-moves
5 Ka6 win in 5 half-moves
6 Rc6 win in 5 half-moves
7 Rb7 win in 11 half-moves
8 Ka4 draw
9 Kc2 draw
10 Kd2 draw
11 Ke2 draw
12 Ra7 draw
13 Rc1 draw
14 Rc2 draw
15 Rc8 draw
16 Rd7 draw
17 Re7 draw
18 Rf7 draw
19 Ke1 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rh7 loss in 2 half-moves