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

EGTB: win in 4 half-moves

# move score
1 Rd6 win in 3 half-moves
2 Rf7 draw
3 Rg7 draw
4 Rh7 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 Kc6 loss in 2 half-moves
10 Kcc5 loss in 2 half-moves
11 Kcd4 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kdc5 loss in 2 half-moves
15 Kdd4 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc7 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re7 loss in 2 half-moves