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

EGTB: win in 2 half-moves

# move score
1 Rd4 win in 1 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kd2 draw
5 Ke1 draw
6 Ke2 draw
7 Rc3 draw
8 Rd2 draw
9 Rd5 draw
10 Rb3 loss in 6 half-moves
11 Rh3 loss in 4 half-moves
12 Rd6 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Ra3 loss in 1 half-moves