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 7 half-moves
3 Rb3 draw
4 Kb1 loss in 2 half-moves
5 Kc5 loss in 2 half-moves
6 Kc6 loss in 2 half-moves
7 Kc7 loss in 2 half-moves
8 Kd1 loss in 2 half-moves
9 Kd2 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rc6 loss in 2 half-moves