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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Ra6 win in 3 half-moves
3 Rc8 win in 3 half-moves
4 K7b7 draw
5 K7b8 draw
6 K8b7 draw
7 K8b8 draw
8 Kb6 draw
9 Rb6 draw
10 Rc4 draw
11 Rc5 draw
12 Rc7 draw
13 Rd6 draw
14 Rh6 draw
15 Rc1 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rg6 loss in 2 half-moves