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 11 half-moves
3 Rb1 win in 11 half-moves
4 Ka1 draw
5 Ka2 draw
6 Ka5 draw
7 Kaa3 draw
8 Kab3 draw
9 Kb1 draw
10 Kb4 draw
11 Kb5 draw
12 Kba3 draw
13 Kbb3 draw
14 Kc1 draw
15 Kc2 draw
16 Kc3 draw
17 Rd1 draw
18 Re7 draw
19 Rf1 draw
20 Re2 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Re5 loss in 2 half-moves
24 Re6 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves