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

EGTB: win in 6 half-moves

# move score
1 Ra3 win in 5 half-moves
2 K6a7 draw
3 K8a7 draw
4 Ka5 draw
5 Rb3 draw
6 Rc3 draw
7 Rg3 draw
8 Rh1 draw
9 Rh2 draw
10 Rh4 draw
11 Rh8 draw
12 K6b7 loss in 2 half-moves
13 K8b7 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kb8 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rh5 loss in 2 half-moves
21 Rh6 loss in 2 half-moves
22 Rh7 loss in 2 half-moves