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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rc4 win in 1 half-moves
3 Re4 draw
4 Rf1 draw
5 Rf2 draw
6 Rf7 draw
7 Rf8 draw
8 Kb1 loss in 2 half-moves
9 Kb2 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Kd1 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Rd4 loss in 1 half-moves
19 Rf3 loss in 1 half-moves