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

EGTB: win in 2 half-moves

# move score
1 Re8 win in 1 half-moves
2 Kd1 draw
3 Kd2 draw
4 Kd3 draw
5 Ke1 draw
6 Ke3 draw
7 Kf2 draw
8 Kf3 draw
9 Ra7 draw
10 Re5 draw
11 Re6 draw
12 Rf7 draw
13 Rg7 draw
14 Rb7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rh7 loss in 2 half-moves
20 Kf1 loss in 1 half-moves