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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Ra8 win in 7 half-moves
3 Rb8 win in 7 half-moves
4 Rd8 win in 7 half-moves
5 Kaa6 draw
6 Kaa8 draw
7 Kab6 draw
8 Kab8 draw
9 Kba6 draw
10 Kba8 draw
11 Kbb6 draw
12 Kbb8 draw
13 Kc6 draw
14 Kc7 draw
15 Kc8 draw
16 Re1 draw
17 Re5 draw
18 Re6 draw
19 Re7 draw
20 Re2 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves