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 K4a3 draw
3 Ra6 draw
4 Rc7 draw
5 Rf7 draw
6 Rg7 draw
7 Rh7 draw
8 Ka1 loss in 2 half-moves
9 Ka5 loss in 2 half-moves
10 Kb1 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 K2a3 loss in 1 half-moves
19 K2b3 loss in 1 half-moves
20 K4b3 loss in 1 half-moves