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

EGTB: draw

# move score
1 Rb1 draw
2 Rb3 draw
3 Rc4 draw
4 Rd4 draw
5 Rf4 draw
6 Rg4 draw
7 Re4 loss in 4 half-moves
8 Rh4 loss in 4 half-moves
9 f6 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rb2 loss in 1 half-moves