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

EGTB: win in 6 half-moves

# move score
1 Ra3 win in 5 half-moves
2 Rb3 win in 5 half-moves
3 Rh7 win in 5 half-moves
4 Rh8 win in 5 half-moves
5 K5a6 draw
6 K7a6 draw
7 Ka4 draw
8 Ka8 draw
9 Rc3 draw
10 Rg3 draw
11 Rh1 draw
12 Rh2 draw
13 K5b6 loss in 2 half-moves
14 K7b6 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kb7 loss in 2 half-moves
18 Kb8 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rh4 loss in 2 half-moves
23 Rh5 loss in 2 half-moves
24 Rh6 loss in 2 half-moves