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

EGTB: win in 2 half-moves

# move score
1 Ka6 win in 1 half-moves
2 Ka8 win in 1 half-moves
3 Ka7 draw
4 Kb6 draw
5 Kb8 draw
6 Kc6 draw
7 Kc8 draw
8 Rc7 draw
9 Rd7 draw
10 Re6 draw
11 Re8 draw
12 Re5 loss in 6 half-moves
13 Kc7 loss in 4 half-moves
14 Re2 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh7 loss in 2 half-moves
20 Re1 loss in 1 half-moves