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

EGTB: draw

# move score
1 Rb4 draw
2 Rc4 draw
3 Rd4 draw
4 Re4 draw
5 Rf4 draw
6 Rg1 draw
7 Rg5 draw
8 Rg6 draw
9 Rg7 draw
10 Rg8 draw
11 Kg1 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Kh2 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rg2 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Rh4 loss in 2 half-moves