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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Rc7 win in 3 half-moves
3 Rd8 win in 5 half-moves
4 K5a6 draw
5 K5b6 draw
6 K7a6 draw
7 K7b6 draw
8 Ka4 draw
9 Ka5 draw
10 Ka7 draw
11 Ka8 draw
12 Kb4 draw
13 Kb8 draw
14 Kc8 draw
15 Rd1 draw
16 Rh7 draw
17 K5c6 loss in 2 half-moves
18 K7c6 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Rd2 loss in 2 half-moves
22 Rd3 loss in 2 half-moves
23 Rd4 loss in 2 half-moves
24 Rd5 loss in 2 half-moves
25 Rd6 loss in 2 half-moves
26 Re7 loss in 2 half-moves
27 Rf7 loss in 2 half-moves
28 Rg7 loss in 2 half-moves