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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kb6 draw
3 Kc5 draw
4 Kd5 draw
5 Kd6 draw
6 Rd8 draw
7 Rh8 draw
8 Rc7 loss in 16 half-moves
9 Kb7 loss in 8 half-moves
10 Kd7 loss in 8 half-moves
11 Kc7 loss in 4 half-moves
12 Ra8 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves