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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Rb3 win in 3 half-moves
3 Rc3 win in 5 half-moves
4 Rd3 draw
5 Re3 draw
6 Rf3 draw
7 Rg1 draw
8 Rg7 draw
9 Rg8 draw
10 Ka5 loss in 2 half-moves
11 Ka8 loss in 2 half-moves
12 Kaa7 loss in 2 half-moves
13 Kab7 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kba7 loss in 2 half-moves
17 Kbb7 loss in 2 half-moves
18 Kc7 loss in 2 half-moves
19 Kc8 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rg5 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rh3 loss in 2 half-moves