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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Ra5 win in 3 half-moves
3 Kb3 win in 5 half-moves
4 Kb4 win in 5 half-moves
5 Kc3 draw
6 Kd3 draw
7 Kd4 draw
8 Ra2 draw
9 Ra4 draw
10 Rg1 draw
11 Rh1 draw
12 Kb5 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rc1 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