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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Ra6 draw
6 Rb1 draw
7 Rb3 draw
8 Rb7 draw
9 Rb8 draw
10 Rc6 draw
11 Kd8 loss in 4 half-moves
12 Kd7 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rd6 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rg6 loss in 1 half-moves
19 Rh6 loss in 1 half-moves