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 Ra4 draw
3 Ra6 draw
4 Rd7 draw
5 Re7 draw
6 Rf7 draw
7 Rg7 draw
8 Ka2 loss in 2 half-moves
9 Ka5 loss in 2 half-moves
10 Kaa4 loss in 2 half-moves
11 Kab3 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kba4 loss in 2 half-moves
15 Kbb3 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves