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 Ke8 draw
3 Kf4 draw
4 Kf6 draw
5 Kf7 draw
6 Kg4 draw
7 Kg5 draw
8 Kg6 draw
9 Kg7 draw
10 Kg8 draw
11 Ra2 draw
12 Ra3 draw
13 Ra7 draw
14 Ra8 draw
15 Rg1 draw
16 Rh1 draw
17 Ke4 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Ke7 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Rb1 loss in 2 half-moves
25 Rc1 loss in 2 half-moves
26 Rd1 loss in 2 half-moves
27 Re1 loss in 2 half-moves