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 Ka2 draw
3 Ka5 draw
4 Kaa4 draw
5 Kab3 draw
6 Kb2 draw
7 Kb5 draw
8 Kba4 draw
9 Kbb3 draw
10 Kc3 draw
11 Kc4 draw
12 Kc5 draw
13 Ra1 draw
14 Rb1 draw
15 Rd1 draw
16 Re1 draw
17 Rf2 draw
18 Rf3 draw
19 Rf7 draw
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rh1 loss in 2 half-moves