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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Ka3 draw
3 Ka4 draw
4 Ka5 draw
5 Kbb3 draw
6 Kbb5 draw
7 Kbc3 draw
8 Kbc5 draw
9 Kcb3 draw
10 Kcb5 draw
11 Kcc3 draw
12 Kcc5 draw
13 Rb7 draw
14 Rc7 draw
15 Rh1 draw
16 Rh6 draw
17 Rh8 draw
18 Kd3 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh2 loss in 2 half-moves
26 Rh3 loss in 2 half-moves
27 Rh4 loss in 2 half-moves
28 Rh5 loss in 2 half-moves