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

EGTB: win in 4 half-moves

# move score
1 Rc1 win in 3 half-moves
2 Ra1 win in 5 half-moves
3 Rb1 win in 5 half-moves
4 Rd1 draw
5 Re1 draw
6 Rf1 draw
7 Rg2 draw
8 Rg3 draw
9 Rg4 draw
10 Rg5 draw
11 Ka4 loss in 2 half-moves
12 Ka7 loss in 2 half-moves
13 Kaa5 loss in 2 half-moves
14 Kab6 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kb7 loss in 2 half-moves
17 Kba5 loss in 2 half-moves
18 Kbb6 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kc6 loss in 2 half-moves
22 Rg6 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh1 loss in 2 half-moves