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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Ka5 win in 5 half-moves
3 Ra1 win in 5 half-moves
4 Rc1 win in 5 half-moves
5 Rd1 win in 5 half-moves
6 Re1 win in 5 half-moves
7 Kb5 win in 11 half-moves
8 Kb6 win in 11 half-moves
9 Kb2 win in 13 half-moves
10 Ka7 draw
11 Kb1 draw
12 Kb3 draw
13 Kb7 draw
14 Kc1 draw
15 Kc3 draw
16 Kd1 draw
17 Kd2 draw
18 Kd3 draw
19 Rf2 draw
20 Rf8 draw
21 Rf3 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rf6 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves