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

EGTB: win in 2 half-moves

# move score
1 Rf3 win in 1 half-moves
2 Ka3 draw
3 Ka4 draw
4 Ka5 draw
5 Kbb5 draw
6 Kbc3 draw
7 Kbc5 draw
8 Kcb5 draw
9 Kcc3 draw
10 Kcc5 draw
11 Ra3 draw
12 Rb1 draw
13 Rb2 draw
14 Rc3 draw
15 Rd3 draw
16 Rh3 draw
17 Kd3 loss in 1 half-moves
18 Kd4 loss in 1 half-moves
19 Kd5 loss in 1 half-moves
20 Re3 loss in 1 half-moves
21 Rg3 loss in 1 half-moves