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

EGTB: win in 6 half-moves

# move score
1 Ra7 win in 5 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kcc7 draw
5 Kcd7 draw
6 Kdc7 draw
7 Kdd7 draw
8 Ra1 draw
9 Ra2 draw
10 Ra8 draw
11 Rb3 draw
12 Rc3 draw
13 Rd3 draw
14 Re3 draw
15 Rf3 draw
16 Ke7 loss in 2 half-moves
17 Ke8 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves