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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 Rh4 win in 3 half-moves
4 K2b2 draw
5 K2b3 draw
6 K3b2 draw
7 K3b3 draw
8 Ka1 draw
9 Ka4 draw
10 Kb1 draw
11 Kb4 draw
12 Rc6 draw
13 Rd6 draw
14 Rh3 draw
15 Rh5 draw
16 Rh7 draw
17 Rh8 draw
18 Re6 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh1 loss in 2 half-moves
22 Rh2 loss in 2 half-moves