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 Re4 draw
3 Rh7 draw
4 Rh8 draw
5 Kb3 loss in 2 half-moves
6 Kb4 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kc3 loss in 2 half-moves
9 Kc5 loss in 2 half-moves
10 Kd3 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kg2 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kg4 loss in 2 half-moves
16 Kh2 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh5 loss in 2 half-moves
20 Rh6 loss in 2 half-moves