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 Rc7 win in 3 half-moves
4 Re4 win in 3 half-moves
5 Rc8 win in 5 half-moves
6 Kf7 win in 7 half-moves
7 Ke7 draw
8 Kf8 draw
9 Ra4 draw
10 Rb4 draw
11 Rc1 draw
12 Rc5 draw
13 Rc6 draw
14 Rd4 draw
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves