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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Rb6 win in 5 half-moves
4 Ra2 draw
5 Rb1 draw
6 Rb5 draw
7 Rd2 draw
8 Re2 draw
9 Rf2 draw
10 Kd6 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ke8 loss in 2 half-moves
15 Kef7 loss in 2 half-moves
16 Kef8 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Kg7 loss in 2 half-moves
19 Kgf7 loss in 2 half-moves
20 Kgf8 loss in 2 half-moves
21 Kh7 loss in 2 half-moves
22 Kh8 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rb4 loss in 2 half-moves
25 Rc2 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves