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

EGTB: win in 2 half-moves

# move score
1 Rd7 win in 1 half-moves
2 Kc1 draw
3 Kd1 draw
4 Ke1 draw
5 Ke2 draw
6 Rh8 draw
7 Kc2 loss in 2 half-moves
8 Kc3 loss in 2 half-moves
9 Kd3 loss in 2 half-moves
10 Ke3 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves