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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Ka7 draw
3 Ka8 draw
4 Kc1 draw
5 Kc8 draw
6 Ke1 draw
7 Ra1 draw
8 Rb7 draw
9 Kb7 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rc1 loss in 2 half-moves