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

EGTB: win in 4 half-moves

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