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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Ra5 draw
3 Rc6 draw
4 Rd6 draw
5 Re6 draw
6 Rf6 draw
7 K2b2 loss in 2 half-moves
8 K2b3 loss in 2 half-moves
9 K3b2 loss in 2 half-moves
10 K3b3 loss in 2 half-moves
11 Ka1 loss in 2 half-moves
12 Ka4 loss in 2 half-moves
13 Kb1 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rh6 loss in 2 half-moves