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

EGTB: win in 6 half-moves

# move score
1 Rb1 win in 5 half-moves
2 Rc8 win in 5 half-moves
3 Ra1 win in 21 half-moves
4 K6a7 draw
5 K8a7 draw
6 Ka5 draw
7 Kb8 draw
8 Rc2 draw
9 Rc3 draw
10 Rc4 draw
11 Rg1 draw
12 Rh1 draw
13 K6b7 loss in 2 half-moves
14 K8b7 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rf1 loss in 2 half-moves