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

EGTB: win in 4 half-moves

# move score
1 Rd4 win in 3 half-moves
2 Kb5 draw
3 Kd4 draw
4 Re4 draw
5 Rf7 draw
6 Rg4 draw
7 Rh4 draw
8 Kb3 loss in 2 half-moves
9 Kb4 loss in 2 half-moves
10 Kc3 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rf8 loss in 2 half-moves