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

EGTB: win in 22 half-moves

# move score
1 Rb8 win in 21 half-moves
2 Rb1 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Rd2 draw
7 Re2 draw
8 Rf2 draw
9 Rg2 draw
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kfg7 loss in 2 half-moves
14 Kfg8 loss in 2 half-moves
15 Kh7 loss in 2 half-moves
16 Khg7 loss in 2 half-moves
17 Khg8 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves