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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Rc2 win in 5 half-moves
3 Rf6 win in 5 half-moves
4 Rf7 win in 5 half-moves
5 Rf8 win in 5 half-moves
6 Kaa6 draw
7 Kaa8 draw
8 Kab6 draw
9 Kab8 draw
10 Kba6 draw
11 Kba8 draw
12 Kbb6 draw
13 Kbb8 draw
14 Kc6 draw
15 Kc7 draw
16 Kc8 draw
17 Rb2 draw
18 Rd2 draw
19 Re2 draw
20 Rf1 draw
21 Rf3 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rh2 loss in 2 half-moves