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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kb8 win in 3 half-moves
3 Kd7 win in 3 half-moves
4 Ra1 draw
5 Rb1 draw
6 Rd2 draw
7 Rd4 draw
8 Re1 draw
9 Kc7 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Rc1 loss in 2 half-moves
12 Rd3 loss in 2 half-moves
13 Rd5 loss in 2 half-moves
14 Rd6 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves