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

EGTB: win in 4 half-moves

# move score
1 Re2 win in 3 half-moves
2 Ka2 draw
3 Ka3 draw
4 Ka6 draw
5 Kaa4 draw
6 Kab4 draw
7 Kb2 draw
8 Kb5 draw
9 Kb6 draw
10 Kba4 draw
11 Kbb4 draw
12 Kc2 draw
13 Kc3 draw
14 Kc4 draw
15 Ra7 draw
16 Rb7 draw
17 Rc7 draw
18 Rd7 draw
19 Re1 draw
20 Re3 draw
21 Re8 draw
22 Rf7 draw
23 Re4 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Re6 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves