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 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Kd6 draw
6 Kd8 draw
7 Rc1 draw
8 Rd2 draw
9 Rd3 draw
10 Re1 draw
11 Ra1 loss in 4 half-moves
12 Rb1 loss in 4 half-moves
13 Ke6 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Rg1 loss in 1 half-moves