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 Re4 win in 3 half-moves
3 Ra1 win in 5 half-moves
4 Rb1 win in 5 half-moves
5 Ka4 draw
6 Ka7 draw
7 Kaa5 draw
8 Kab6 draw
9 Kb4 draw
10 Kb7 draw
11 Kba5 draw
12 Kbb6 draw
13 Rd1 draw
14 Re2 draw
15 Re3 draw
16 Re8 draw
17 Kc4 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Re7 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