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

EGTB: win in 4 half-moves

# move score
1 K8b8 win in 3 half-moves
2 Rc6 win in 5 half-moves
3 Rc8 win in 5 half-moves
4 K7b7 draw
5 K7b8 draw
6 K8b7 draw
7 Ka6 draw
8 Kb6 draw
9 Rc4 draw
10 Rc5 draw
11 Rc7 draw
12 Rd3 draw
13 Re3 draw
14 Rf3 draw
15 Rg3 draw
16 Rh3 draw
17 Ra3 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rc2 loss in 2 half-moves