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

EGTB: win in 10 half-moves

# move score
1 Ra3 win in 9 half-moves
2 K6a7 draw
3 K8a7 draw
4 Ka5 draw
5 Kb5 draw
6 Rb3 draw
7 Rc1 draw
8 Rc2 draw
9 Rc4 draw
10 Rc5 draw
11 Rg3 draw
12 Rh3 draw
13 K6b7 loss in 2 half-moves
14 K8b7 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kb8 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves