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 Kc1 draw
3 Kd1 draw
4 Ke1 draw
5 Ke2 draw
6 Ke3 draw
7 Rd8 draw
8 Re7 draw
9 Rf7 draw
10 Rg7 draw
11 Kc2 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Rh7 loss in 2 half-moves