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 Rd7 win in 3 half-moves
3 Kb6 win in 5 half-moves
4 Kc6 win in 5 half-moves
5 Ka4 draw
6 Ka5 draw
7 Ka6 draw
8 Kb3 draw
9 Kbb4 draw
10 Kbc5 draw
11 Kc3 draw
12 Kcb4 draw
13 Kcc5 draw
14 Rb7 draw
15 Rc7 draw
16 Re1 draw
17 Re6 draw
18 Re8 draw
19 Kd3 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rh7 loss in 2 half-moves