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 Ka5 win in 5 half-moves
3 Kb5 win in 5 half-moves
4 Rc8 win in 5 half-moves
5 K6b6 win in 7 half-moves
6 K6b7 win in 7 half-moves
7 Rd8 win in 7 half-moves
8 Re8 win in 7 half-moves
9 Rf8 win in 7 half-moves
10 K7b6 draw
11 K7b7 draw
12 Kb8 draw
13 Rg8 loss in 2 half-moves
14 Rh8 loss in 2 half-moves