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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 Kb4 win in 7 half-moves
4 Ka4 draw
5 Ka6 draw
6 Kb5 draw
7 Kb6 draw
8 Ra1 draw
9 Rb4 draw
10 Rb7 draw
11 Rb8 draw
12 Kb2 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kd1 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves