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

EGTB: win in 4 half-moves

# move score
1 Rd7 win in 3 half-moves
2 Ka3 draw
3 Ka5 draw
4 Kab3 draw
5 Kab4 draw
6 Kab5 draw
7 Kc3 draw
8 Kc5 draw
9 Kcb3 draw
10 Kcb4 draw
11 Kcb5 draw
12 Kd3 draw
13 Kd4 draw
14 Kd5 draw
15 Ra7 draw
16 Rb7 draw
17 Rc8 draw
18 Re7 draw
19 Rc5 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rh7 loss in 2 half-moves