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

EGTB: win in 6 half-moves

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