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

EGTB: win in 4 half-moves

# move score
1 Kd7 win in 3 half-moves
2 Kd8 win in 3 half-moves
3 Rd1 win in 3 half-moves
4 Re1 win in 3 half-moves
5 Rf1 win in 3 half-moves
6 Rc7 win in 5 half-moves
7 Rc8 win in 5 half-moves
8 Kee7 draw
9 Kfe7 draw
10 Kg8 draw
11 Ra1 draw
12 Rb1 draw
13 Rc2 draw
14 Rc3 draw
15 Kef7 loss in 2 half-moves
16 Kff7 loss in 2 half-moves
17 Kg7 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 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves