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

EGTB: win in 4 half-moves

# move score
1 Kd6 win in 3 half-moves
2 Kb7 draw
3 Kd7 draw
4 Kd8 draw
5 Rb3 draw
6 Rb7 draw
7 Rc3 draw
8 Rd3 draw
9 Rh3 draw
10 Kb6 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 R3a4 loss in 2 half-moves
15 R3a5 loss in 2 half-moves
16 R3a6 loss in 2 half-moves
17 R7a4 loss in 2 half-moves
18 R7a5 loss in 2 half-moves
19 R7a6 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Ra8 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rg3 loss in 2 half-moves