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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Rd1 win in 3 half-moves
3 Rb1 win in 5 half-moves
4 Rc1 win in 5 half-moves
5 Ka5 draw
6 Ka6 draw
7 Ka7 draw
8 Kb4 draw
9 Kb7 draw
10 Kbb5 draw
11 Kbc6 draw
12 Kc4 draw
13 Kc7 draw
14 Kcb5 draw
15 Kcc6 draw
16 Re1 draw
17 Rf2 draw
18 Rf6 draw
19 Rf7 draw
20 Rf8 draw
21 Kd4 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Kd6 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rf5 loss in 2 half-moves
27 Rg1 loss in 2 half-moves
28 Rh1 loss in 2 half-moves