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

EGTB: win in 4 half-moves

# move score
1 K6b6 win in 3 half-moves
2 K6b7 win in 3 half-moves
3 K7b6 win in 3 half-moves
4 K7b7 win in 3 half-moves
5 Kb5 win in 3 half-moves
6 Kb8 win in 3 half-moves
7 Rb7 win in 3 half-moves
8 Rc8 win in 5 half-moves
9 Ka5 draw
10 Ka8 draw
11 Rc2 draw
12 Rd7 draw
13 Re7 draw
14 Rc1 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves