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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Qa1 loss in 2 half-moves
3 Qa3 loss in 2 half-moves
4 Qa4 loss in 2 half-moves
5 Qa5 loss in 2 half-moves
6 Qa6 loss in 2 half-moves
7 Qa7 loss in 2 half-moves
8 Qa8 loss in 2 half-moves
9 Qb1 loss in 2 half-moves
10 Qb2 loss in 2 half-moves
11 Qb3 loss in 2 half-moves
12 Qc2 loss in 2 half-moves
13 Qd2 loss in 2 half-moves
14 Qe2 loss in 2 half-moves
15 Qf2 loss in 2 half-moves
16 Qg2 loss in 2 half-moves
17 Qh2 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rc1 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rc6 loss in 2 half-moves
25 Rc7 loss in 2 half-moves
26 Rc8 loss in 2 half-moves
27 Rd4 loss in 2 half-moves
28 Re4 loss in 2 half-moves
29 Rg4 loss in 2 half-moves
30 Rh4 loss in 2 half-moves