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 Kd7 draw
3 Kd8 draw
4 Kee7 draw
5 Kef7 draw
6 Kfe7 draw
7 Kff7 draw
8 Kg7 draw
9 Kg8 draw
10 Ra4 draw
11 Ra5 draw
12 Ra6 draw
13 Ra8 draw
14 Rb3 draw
15 Rc3 draw
16 Rd3 draw
17 Rh3 draw
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rg3 loss in 2 half-moves