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

EGTB: win in 4 half-moves

# move score
1 Kd3 win in 3 half-moves
2 Rd4 win in 3 half-moves
3 Re4 win in 3 half-moves
4 Kd1 draw
5 Ke1 draw
6 Ke2 draw
7 Ke3 draw
8 Rf2 draw
9 Rf5 draw
10 Rf6 draw
11 Rf7 draw
12 Rf8 draw
13 Rg4 draw
14 Rh4 draw
15 Kc1 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf3 loss in 2 half-moves