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