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 Kb4 draw
3 Kb5 draw
4 Kc4 draw
5 Kc6 draw
6 Kd4 draw
7 Kd5 draw
8 Kd6 draw
9 Ra2 draw
10 Rb3 draw
11 Rb5 draw
12 Rb6 draw
13 Rb7 draw
14 Rc2 draw
15 Rf2 draw
16 Rg2 draw
17 Kb6 loss in 6 half-moves
18 Rb1 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rh2 loss in 2 half-moves
21 Rd2 loss in 1 half-moves
22 Re2 loss in 1 half-moves