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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 K5a6 win in 7 half-moves
3 K5b6 win in 7 half-moves
4 Ka4 win in 7 half-moves
5 Kb4 win in 7 half-moves
6 Kb5 win in 7 half-moves
7 Kb7 win in 7 half-moves
8 Rc8 win in 7 half-moves
9 Rd8 win in 7 half-moves
10 Re8 win in 7 half-moves
11 Kb8 win in 23 half-moves
12 K7a6 draw
13 K7b6 draw
14 Rf8 draw
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves