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 Kb7 draw
3 Kc7 draw
4 Ra5 draw
5 Rb1 draw
6 Rb2 draw
7 Rb3 draw
8 Re5 draw
9 Rf5 draw
10 Rg5 draw
11 Kb8 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Rh5 loss in 2 half-moves