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