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

EGTB: win in 4 half-moves

# move score
1 Kd8 win in 3 half-moves
2 Rd1 win in 3 half-moves
3 Rc8 win in 5 half-moves
4 Kef8 draw
5 Kgf8 draw
6 Kh8 draw
7 Ra1 draw
8 Rb1 draw
9 Rc2 draw
10 Rc3 draw
11 Rh1 draw
12 Kd7 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Kef7 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kgf7 loss in 2 half-moves
17 Kh7 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rc7 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rg1 loss in 2 half-moves