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

EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Kf1 draw
3 Kf3 draw
4 Kg1 draw
5 Kg2 draw
6 Kg3 draw
7 Ra7 draw
8 Rb8 draw
9 Rg8 draw
10 Re8 loss in 4 half-moves
11 Rf8 loss in 4 half-moves
12 Ke1 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Nb4 loss in 2 half-moves
16 Nb8 loss in 2 half-moves
17 Nc5 loss in 2 half-moves
18 Nc7 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves