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 Ra8 draw
3 Rd5 draw
4 Re5 draw
5 Rf5 draw
6 Rh5 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 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rg5 loss in 2 half-moves