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

EGTB: win in 2 half-moves

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