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

EGTB: win in 4 half-moves

# move score
1 Rd1 win in 3 half-moves
2 Kd2 win in 7 half-moves
3 Ke2 win in 7 half-moves
4 Kd1 draw
5 Kf1 draw
6 Kf2 draw
7 Kg1 draw
8 Kg2 draw
9 Kh1 draw
10 Ra2 draw
11 Ra3 draw
12 Ra4 draw
13 Ra6 draw
14 Ra7 draw
15 Rb1 draw
16 Rc1 draw
17 Kg3 loss in 2 half-moves
18 Kh3 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra8 loss in 2 half-moves