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 Kb5 win in 3 half-moves
3 Rc6 draw
4 K3b3 loss in 2 half-moves
5 K3b4 loss in 2 half-moves
6 K4b3 loss in 2 half-moves
7 K4b4 loss in 2 half-moves
8 Ka2 loss in 2 half-moves
9 Ka5 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Rb4 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves