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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Ka1 draw
3 Ka2 draw
4 Kb2 draw
5 Kc1 draw
6 Kc2 draw
7 Ke1 draw
8 Ke2 draw
9 Kf2 draw
10 Kg1 draw
11 Kg2 draw
12 Rd2 draw
13 Rd3 draw
14 Rd7 draw
15 Rd8 draw
16 Rc1 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Rd6 loss in 2 half-moves