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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rb1 draw
3 Rb5 draw
4 Rb7 draw
5 Rb8 draw
6 Rd2 draw
7 Re2 draw
8 Rf2 draw
9 Rh2 draw
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Kee7 loss in 2 half-moves
14 Kef8 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Kfe7 loss in 2 half-moves
17 Kff8 loss in 2 half-moves
18 Kg6 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Kg8 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb4 loss in 2 half-moves
24 Rc2 loss in 2 half-moves
25 Rg2 loss in 2 half-moves