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

EGTB: win in 8 half-moves

# move score
1 Kb2 win in 7 half-moves
2 Kc2 win in 7 half-moves
3 Rb1 win in 7 half-moves
4 Kb1 draw
5 Kd1 draw
6 Ra5 draw
7 Rb2 draw
8 Rb6 draw
9 Rb7 draw
10 Rb8 draw
11 Kb4 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves