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