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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kb7 draw
3 Kc5 draw
4 Kc7 draw
5 Rb2 draw
6 Rb3 draw
7 Rb6 draw
8 Rd8 draw
9 Ra8 loss in 6 half-moves
10 Kb5 loss in 4 half-moves
11 Kb6 loss in 4 half-moves
12 Rc8 loss in 4 half-moves
13 Kd5 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 Re8 loss in 1 half-moves