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 Rc7 draw
3 Re2 draw
4 Re4 draw
5 Re5 draw
6 Re6 draw
7 Rh7 draw
8 Ka6 loss in 2 half-moves
9 Ka8 loss in 2 half-moves
10 Kab6 loss in 2 half-moves
11 Kab7 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kcb6 loss in 2 half-moves
17 Kcb7 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg7 loss in 2 half-moves