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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Rb1 win in 3 half-moves
3 K7b7 draw
4 K7b8 draw
5 K8b7 draw
6 K8b8 draw
7 Ka6 draw
8 Rc1 draw
9 Rd1 draw
10 Re5 draw
11 Re6 draw
12 Re7 draw
13 Re8 draw
14 Kb6 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves