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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Kb4 draw
3 Kb5 draw
4 Kc5 draw
5 Kd4 draw
6 Kd5 draw
7 Rd4 draw
8 Rg4 draw
9 Rh3 draw
10 Rh5 draw
11 Rh6 draw
12 Rh7 draw
13 Kb3 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Rh8 loss in 2 half-moves