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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Ra5 draw
3 Ra6 draw
4 Ra8 draw
5 Re1 draw
6 Rf1 draw
7 Rg1 draw
8 Rh1 draw
9 Kc5 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Kdd5 loss in 2 half-moves
15 Kde6 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Ked5 loss in 2 half-moves
19 Kee6 loss in 2 half-moves
20 Kf4 loss in 2 half-moves
21 Kf5 loss in 2 half-moves
22 Kf6 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Ra4 loss in 2 half-moves
26 Rb1 loss in 2 half-moves
27 Rc1 loss in 2 half-moves
28 Rd1 loss in 2 half-moves