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

EGTB: win in 6 half-moves

# move score
1 Ra1 win in 5 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Kd6 draw
6 Ke4 draw
7 Rb1 draw
8 Re2 draw
9 Re3 draw
10 Re4 draw
11 Kd4 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves