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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Kf7 draw
3 Kf8 draw
4 Kgg7 draw
5 Kgh7 draw
6 Khg7 draw
7 Khh7 draw
8 Re1 draw
9 Re2 draw
10 Re3 draw
11 Re8 draw
12 Rf7 draw
13 Rg7 draw
14 Rh7 draw
15 Rb7 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Re6 loss in 2 half-moves