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 Rf2 draw
3 Kc5 loss in 2 half-moves
4 Kc6 loss in 2 half-moves
5 Kc7 loss in 2 half-moves
6 Kd5 loss in 2 half-moves
7 Kd7 loss in 2 half-moves
8 Ke5 loss in 2 half-moves
9 Ke6 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Kg1 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rc2 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Kg2 loss in 1 half-moves
20 Kh2 loss in 1 half-moves
21 Rg2 loss in 1 half-moves
22 Rh2 loss in 1 half-moves