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

EGTB: win in 2 half-moves

# move score
1 Kb8 win in 1 half-moves
2 Re4 win in 1 half-moves
3 Re5 win in 1 half-moves
4 Re6 win in 1 half-moves
5 Kb7 draw
6 Kd8 draw
7 Rb7 draw
8 Rh7 draw
9 Kc7 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Ra7 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves