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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Rd2 win in 3 half-moves
3 Ke2 draw
4 Kf1 draw
5 Rd3 draw
6 Rd7 draw
7 Rd8 draw
8 Kb2 loss in 2 half-moves
9 Kc2 loss in 2 half-moves
10 Kcd2 loss in 2 half-moves
11 Ked2 loss in 2 half-moves
12 Kf2 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Rd5 loss in 2 half-moves
15 Rd6 loss in 2 half-moves