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

EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 Rf6 win in 3 half-moves
3 Ka5 win in 5 half-moves
4 Ra1 win in 5 half-moves
5 Rb1 win in 5 half-moves
6 K6a7 draw
7 K6b7 draw
8 K8a7 draw
9 K8b7 draw
10 Kb6 draw
11 Kb8 draw
12 Rc1 draw
13 Rd1 draw
14 Re1 draw
15 Rf2 draw
16 Rf3 draw
17 Rf4 draw
18 Kb5 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves