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 Ke5 win in 5 half-moves
3 Kd5 draw
4 Kd6 draw
5 Ra4 draw
6 Rb4 draw
7 Rc4 draw
8 Re1 draw
9 Re2 draw
10 Re3 draw
11 Kd7 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Re5 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves