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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb5 draw
3 Rb6 draw
4 Rb7 draw
5 Rb8 draw
6 Rd2 draw
7 Re2 draw
8 Rf2 draw
9 Rg2 draw
10 Kf3 loss in 2 half-moves
11 Kf4 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Kg6 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kgg5 loss in 2 half-moves
17 Kgh5 loss in 2 half-moves
18 Kh3 loss in 2 half-moves
19 Kh4 loss in 2 half-moves
20 Kh7 loss in 2 half-moves
21 Khg5 loss in 2 half-moves
22 Khh5 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Rb1 loss in 2 half-moves
25 Rb3 loss in 2 half-moves
26 Rc2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves