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