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