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 Kb5 win in 5 half-moves
3 Kb4 win in 7 half-moves
4 Ra1 draw
5 Rb7 draw
6 Rb8 draw
7 Ka4 loss in 2 half-moves
8 Ka6 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Kd1 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves