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

EGTB: win in 6 half-moves

# move score
1 K8b8 win in 5 half-moves
2 K7b8 draw
3 Rc7 draw
4 Rd7 draw
5 Re1 draw
6 Re2 draw
7 Re8 draw
8 Rf7 draw
9 Rg7 draw
10 Rh7 draw
11 K7b7 loss in 2 half-moves
12 K8b7 loss in 2 half-moves
13 Ka6 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Re6 loss in 2 half-moves