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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kb6 win in 9 half-moves
3 Ra8 win in 9 half-moves
4 Ka5 draw
5 Ka7 draw
6 Kb7 draw
7 Kc7 draw
8 Kc8 draw
9 Kd7 draw
10 Ke7 draw
11 Ke8 draw
12 Rb5 draw
13 Rb6 draw
14 Rb7 draw
15 Kb5 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rc8 loss in 2 half-moves