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

EGTB: win in 2 half-moves

# move score
1 Kb2 win in 1 half-moves
2 Rc8 win in 1 half-moves
3 Kc4 win in 5 half-moves
4 Kb3 loss in 2 half-moves
5 Kb4 loss in 2 half-moves
6 Kc5 loss in 2 half-moves
7 Kc7 loss in 2 half-moves
8 Kd2 loss in 2 half-moves
9 Kd3 loss in 2 half-moves
10 Kd4 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Kc2 loss in 1 half-moves