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

EGTB: win in 4 half-moves

# move score
1 Ke7 win in 3 half-moves
2 Ke8 win in 3 half-moves
3 Rf4 win in 3 half-moves
4 Rg4 win in 3 half-moves
5 Kf7 draw
6 Kg7 draw
7 Kg8 draw
8 Rd1 draw
9 Rd2 draw
10 Rd3 draw
11 Rh4 draw
12 Ra4 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rd5 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re4 loss in 2 half-moves