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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Rb1 win in 3 half-moves
3 Rc1 win in 3 half-moves
4 Ka5 draw
5 Ka8 draw
6 Kaa6 draw
7 Kab7 draw
8 Kb5 draw
9 Kb8 draw
10 Kba6 draw
11 Kbb7 draw
12 Rd1 draw
13 Re2 draw
14 Re3 draw
15 Re7 draw
16 Re8 draw
17 Kc5 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kc7 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rh1 loss in 2 half-moves