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 Kb3 win in 3 half-moves
3 Ra6 win in 5 half-moves
4 Rb6 win in 5 half-moves
5 Ka1 draw
6 Ka3 draw
7 Kb1 draw
8 Kc7 draw
9 Kd7 draw
10 Ke5 draw
11 Ke6 draw
12 Ke7 draw
13 Rc7 draw
14 Kc5 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rc8 loss in 2 half-moves