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 Kc3 draw
3 Kd3 draw
4 Kd5 draw
5 Ke4 draw
6 Ke5 draw
7 Rc8 draw
8 Rd7 draw
9 Re8 draw
10 Kc4 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rd5 loss in 2 half-moves
15 Rd6 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves