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 Rc5 draw
8 Rc7 draw
9 Rd1 draw
10 Re1 draw
11 Rf1 draw
12 Rg1 draw
13 Rh1 draw
14 Ka6 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rc4 loss in 2 half-moves