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

EGTB: win in 4 half-moves

# move score
1 Rd5 win in 3 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kab4 draw
5 Kab5 draw
6 Kab6 draw
7 Kc4 draw
8 Kc6 draw
9 Kcb4 draw
10 Kcb5 draw
11 Kcb6 draw
12 Kd5 draw
13 Kd6 draw
14 Re1 draw
15 Re6 draw
16 Re7 draw
17 Re8 draw
18 Kd4 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf5 loss in 2 half-moves
23 Rg5 loss in 2 half-moves
24 Rh5 loss in 2 half-moves