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 Ra4 draw
11 Ra6 draw
12 Ra8 draw
13 Rg5 draw
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rh5 loss in 2 half-moves