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

EGTB: draw

# move score
1 Ra4 draw
2 Rb4 draw
3 Rc4 loss in 4 half-moves
4 Ka1 loss in 2 half-moves
5 Ka3 loss in 2 half-moves
6 Kb1 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Rd4 loss in 2 half-moves
10 Re4 loss in 2 half-moves
11 Rf5 loss in 2 half-moves
12 Rf6 loss in 2 half-moves
13 Rf7 loss in 2 half-moves
14 Rf1 loss in 1 half-moves
15 Rf2 loss in 1 half-moves
16 Rf3 loss in 1 half-moves
17 Rf8 loss in 1 half-moves
18 Rg4 loss in 1 half-moves
19 Rh4 loss in 1 half-moves