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 Kd6 draw
3 Kd7 draw
4 Rb6 draw
5 Rb7 draw
6 Rf4 draw
7 Rh4 draw
8 Kc7 loss in 12 half-moves
9 Ra4 loss in 10 half-moves
10 Kb5 loss in 4 half-moves
11 Kb6 loss in 4 half-moves
12 Kb7 loss in 4 half-moves
13 Kc5 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rg4 loss in 1 half-moves