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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Rd6 draw
3 Re6 draw
4 Rf6 draw
5 Rh6 draw
6 K2a3 loss in 2 half-moves
7 K2b3 loss in 2 half-moves
8 K4a3 loss in 2 half-moves
9 K4b3 loss in 2 half-moves
10 Ka1 loss in 2 half-moves
11 Ka5 loss in 2 half-moves
12 Kb1 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rg6 loss in 2 half-moves