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

EGTB: win in 6 half-moves

# move score
1 Rb6 win in 5 half-moves
2 Rb7 win in 5 half-moves
3 Rb8 win in 5 half-moves
4 Ra4 draw
5 Rb1 draw
6 Rb2 draw
7 Rb3 draw
8 Rg4 draw
9 Rh4 draw
10 Kd5 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Ke8 loss in 2 half-moves
15 Kee7 loss in 2 half-moves
16 Kef7 loss in 2 half-moves
17 Kf5 loss in 2 half-moves
18 Kf6 loss in 2 half-moves
19 Kfe7 loss in 2 half-moves
20 Kff7 loss in 2 half-moves
21 Kg7 loss in 2 half-moves
22 Kg8 loss in 2 half-moves
23 Rb5 loss in 2 half-moves
24 Rc4 loss in 2 half-moves
25 Rd4 loss in 2 half-moves
26 Re4 loss in 2 half-moves
27 Rf4 loss in 2 half-moves