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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kc5 draw
5 Kc7 draw
6 Kd6 draw
7 Rb1 draw
8 Rb5 draw
9 Rb6 draw
10 Rc2 draw
11 Rd2 draw
12 Kd5 loss in 6 half-moves
13 Kb5 loss in 4 half-moves
14 Ra2 loss in 4 half-moves
15 Rf2 loss in 4 half-moves
16 Kd7 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Re2 loss in 1 half-moves