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

EGTB: win in 44 half-moves

# move score
1 Ra4 win in 43 half-moves
2 Ra5 win in 49 half-moves
3 Rb3 draw
4 Rc3 draw
5 Rd3 draw
6 Ka5 loss in 2 half-moves
7 Ka8 loss in 2 half-moves
8 Kaa7 loss in 2 half-moves
9 Kab6 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 Kba7 loss in 2 half-moves
13 Kbb6 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kc8 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves