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

EGTB: win in 2 half-moves

# move score
1 Rd3 win in 1 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kd2 draw
5 Ke1 draw
6 Ke2 draw
7 Rc4 draw
8 Rd2 draw
9 Rd5 draw
10 Re4 draw
11 Ra4 loss in 4 half-moves
12 Rb4 loss in 4 half-moves
13 Rd6 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Rg4 loss in 1 half-moves