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

EGTB: win in 8 half-moves

# move score
1 Ra3 win in 7 half-moves
2 Rb3 draw
3 Re1 draw
4 Re2 draw
5 Rh3 draw
6 Ka4 loss in 2 half-moves
7 Ka5 loss in 2 half-moves
8 Ka8 loss in 2 half-moves
9 Kaa6 loss in 2 half-moves
10 Kab6 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kba6 loss in 2 half-moves
15 Kbb6 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Re7 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf3 loss in 2 half-moves
27 Rg3 loss in 2 half-moves