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 K1a2 draw
3 K1b2 draw
4 K3a2 draw
5 K3b2 draw
6 Rb2 draw
7 Ka4 loss in 2 half-moves
8 Kb1 loss in 2 half-moves
9 Kb4 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb4 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rh3 loss in 2 half-moves