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 Kb4 win in 3 half-moves
3 Rb6 draw
4 Rb7 draw
5 Rb8 draw
6 K2b2 loss in 2 half-moves
7 K3b2 loss in 2 half-moves
8 Ka1 loss in 2 half-moves
9 Ka4 loss in 2 half-moves
10 Kb1 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rh3 loss in 2 half-moves