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 Kb7 draw
3 Kb8 draw
4 Kcc7 draw
5 Kcd7 draw
6 Kdc7 draw
7 Kdd7 draw
8 Ke7 draw
9 Ke8 draw
10 Ra5 draw
11 Ra6 draw
12 Ra8 draw
13 Rb1 draw
14 Rc1 draw
15 Rg1 draw
16 Rh1 draw
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rf1 loss in 2 half-moves