![Australia's Ashton Agar, right, celebrates dismissing Bangladesh's Soumya Sarkar.](http://web.archive.org./web/20170828225022im_/https://www.fairfaxstatic.com.au/content/dam/images/g/y/6/3/n/x/image.related.landscape.460x307.gy61dz.png/1503960599099.jpg)
Deteriorating pitch amplifies Australian challenge
All-rounder Ashton Agar concedes Australia face a challenging task to avoid defeat in the first Test against Bangladesh as the pitch as the pitch at the Shere Bangla Stadium gets "harder and harder to bat on".