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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Ka7 win in 3 half-moves
3 Rd8 win in 5 half-moves
4 Ka2 draw
5 Ka4 draw
6 Ka8 draw
7 Kb8 draw
8 Kc6 draw
9 Kc7 draw
10 Kc8 draw
11 Rc7 draw
12 Rd3 draw
13 Rd4 draw
14 Rd5 draw
15 Rd6 draw
16 Rh7 draw
17 Kb2 loss in 2 half-moves
18 Kb3 loss in 2 half-moves
19 Kb4 loss in 2 half-moves
20 Kb6 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Rd2 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg7 loss in 2 half-moves