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 Kd4 draw
3 Ke2 draw
4 Rd5 draw
5 Rd6 draw
6 Rd8 draw
7 Kc2 loss in 2 half-moves
8 Kc3 loss in 2 half-moves
9 Kc4 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Ke3 loss in 2 half-moves
12 Ke4 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh7 loss in 2 half-moves