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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Rh7 win in 3 half-moves
3 Rh8 win in 3 half-moves
4 Ra4 win in 5 half-moves
5 Rc4 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 Rb4 draw
18 Rg4 draw
19 Rh3 draw
20 Rh5 draw
21 Rd4 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rh1 loss in 2 half-moves
25 Rh2 loss in 2 half-moves