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

EGTB: win in 2 half-moves

# move score
1 Rd4 win in 1 half-moves
2 Ka3 draw
3 Ka4 draw
4 Kb3 draw
5 Kc3 draw
6 Kc4 draw
7 Rc4 draw
8 Rf1 draw
9 Rf2 draw
10 Rf3 draw
11 Rf5 draw
12 Rf6 draw
13 Rg4 draw
14 Rh4 draw
15 Ka5 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rf8 loss in 2 half-moves