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

EGTB: win in 2 half-moves

# move score
1 Rf1 win in 1 half-moves
2 Ka4 draw
3 Kb4 draw
4 Kb5 draw
5 Kg1 draw
6 Kh2 draw
7 Ra1 draw
8 Rc1 draw
9 Rd1 draw
10 Re2 draw
11 Re3 draw
12 Re4 draw
13 Re5 draw
14 Rg1 draw
15 Ka6 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Kg2 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Re8 loss in 2 half-moves