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 Ra5 draw
3 Rb5 draw
4 Rc5 draw
5 Rd6 draw
6 Rd7 draw
7 Rd8 draw
8 Rg5 draw
9 Rh5 draw
10 Kc1 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kd1 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Ke1 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rf5 loss in 2 half-moves