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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kd7 draw
3 Ke6 draw
4 Ke7 draw
5 Ra8 draw
6 Rc8 draw
7 Rf8 draw
8 Rg8 draw
9 Rh8 draw
10 Kc5 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Re8 loss in 2 half-moves