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

EGTB: win in 4 half-moves

# move score
1 Rd4 win in 3 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kd4 draw
5 Kd7 draw
6 Ke7 draw
7 Ke8 draw
8 Kf5 draw
9 Ra6 draw
10 Ra8 draw
11 Rb4 draw
12 Rc4 draw
13 Kd3 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Kf4 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra7 loss in 2 half-moves